国产精品久久久在线观看_亚洲免费观看视频网站_国产盗摄视频一区二区三区_久久久国产一级 - 日本在线观看一区

歡迎來到寰標(biāo)網(wǎng)！ 客服QQ：772084082 加入會(huì)員
已選條件： 附件
每頁顯示20 條，共找到 553 條結(jié)果 <1/28>
標(biāo)準(zhǔn)編號(hào) 標(biāo)準(zhǔn)名稱 發(fā)布部門 發(fā)布日期 狀態(tài)
KS C IEC 61094-3A:2017 Electroacoustics — Measurement microphone — Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique Korean Sta.. 2017-08-29 廢止
KS C IEC 61094-4A:2017 Electroacoustics — Measurement microphone — Part 4: Specifications for working standard microphones Korean Sta.. 2017-08-29 廢止
DIN EN 50332-3 (2017-07) Sound System Equipment: Headphones And Earphones Associated With Personal Music Players - Maximum Sound Pressure Level Measurement Methodology - Part 3: Measurement Method For Sound Dose Management German Ins.. 2017-07-01 現(xiàn)行
DIN EN 300422-2 (2017-07) Wireless Microphones - Audio Pmse Up To 3 Ghz - Part 2: Class B Receivers - Harmonised Standard Covering The Essential Requirements Of Article 3.2 Of Directive 2014/53/eu German Ins.. 2017-07-01 現(xiàn)行
DIN EN 300422-3 (2017-07) Wireless Microphones - Audio Pmse Up To 3 Ghz - Part 3: Class C Receivers - Harmonised Standard Covering The Essential Requirements Of Article 3.2 Of Directive 2014/53/eu German Ins.. 2017-07-01 現(xiàn)行
DIN EN 61094-3 (2017-04) Electroacoustics - Measurement Microphones - Part 3: Primary Method For Free-field Calibration Of Laboratory Standard Microphones By The Reciprocity Technique (iec 61094-3:2016 + Cor1:2016) German Ins.. 2017-04-01 現(xiàn)行
I.S. EN 50332-3:2017 Sound System Equipment: Headphones and Earphones Associated With Personal Music Players - Maximum Sound Pressure Level Measurement Methodology Part 3: Measurement Method for Sound Dose Management National S.. 2017-03-01 現(xiàn)行
DIN EN 300422-1 (2017-01) Wireless Microphones - Audio Pmse Up To 3 Ghz - Part 1: Class A Receivers - Harmonised Standard Covering The Essential Requirements Of Article 3.2 Of Directive 2014/53/eu German Ins.. 2017-01-01 現(xiàn)行
DIN EN 61094-5 (2016-12) Electroacoustics - Measurement Microphones - Part 5: Methods For Pressure Calibration Of Working Standard Microphones By Comparison (iec 61094-5:2016) German Ins.. 2016-12-01 現(xiàn)行
JIS C 5504:2016 Horn Type Loudspeakers Japanese S.. 2016-11-21 現(xiàn)行
DIN EN 62777 (2016-11) Quality Evaluation Method For The Sound Field Of Directional Loudspeaker Array Systems (iec 62777:2016) German Ins.. 2016-11-01 現(xiàn)行
DIN EN 62087-5 (2016-10) Audio, Video And Related Equipment - Determination Of Power Consumption - Part 5: Set Top Boxes (stb) (iec 62087-5:2015) Verband De.. 2016-10-01 現(xiàn)行
I.S. EN 61094-3:2016 Electroacoustics - Measurement Microphones Part 3: Primary Method for Free-field Calibration of Laboratory Standardmicrophones by the Reciprocity Technique National S.. 2016-09-21 現(xiàn)行
I.S. EN 61094-5:2016 Electroacoustics - Measurement Microphones Part 5: Methods for Pressure Calibration of Working Standard Microphones by Comparison National S.. 2016-09-21 現(xiàn)行
DIN EN 60268-4 (2016-07) Sound System Equipment - Part 4: Microphones (iec 60268-4:2014) German Ins.. 2016-07-01 現(xiàn)行
I.S. EN 62777:2016 Quality Evaluation Method for the Sound Field of Directional Loudspeaker Array System National S.. 2016-06-28 現(xiàn)行
IEC 61094-3 Ed. 2.0 Electroacoustics - Measurement microphones Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique Internatio.. 2016-06-14 現(xiàn)行
IEC 62777 Ed. 1.0 Quality evaluation method for the sound field of directional loudspeaker array system Internatio.. 2016-02-10 現(xiàn)行
DIN EN 300422-1 (2015-10) Electromagnetic Compatibility And Radio Spectrum Matters (erm) - Wireless Microphones In The 25 Mhz To 3 Ghz Frequency Range - Part 1: Technical Characteristics And Methods Of Measurement German Ins.. 2015-10-01 被替代
DIN EN 300422-2 (2015-10) Electromagnetic Compatibility And Radio Spectrum Matters (erm) - Wireless Microphones In The 25 Mhz To 3 Ghz Frequency Range - Part 2: Harmonized En Covering The Essential Requirements Of Article 3.2 Of The R&tte Directive German Ins.. 2015-10-01 現(xiàn)行
cacheName: