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

歡迎來到寰標網! 客服QQ:772084082 加入會員
已選條件: 電子管
每頁顯示20 條,共找到 657 條結果 <2/33>
標準編號 標準名稱 發布部門 發布日期 狀態
KS C IEC 60151-3:2013 Measurements of the electrical properties of electronic tubes and valves - Part 3:Measurement of equivalent input and output admittances Korean Sta.. 2013-12-31 廢止
KS C IEC 60151-4:2013 Measurements of the electrical properties of electronic tubes and valves - Part 4:Methods of measuring noise factor Korean Sta.. 2013-12-31 廢止
KS C IEC 60249-2-18:2013 Base materials for printed circuits-Part 2 : Specifications- Specfication No.18 : Bismaleimide/triazine modified epoxide woven glass fabric copper-clad laminated sheet of defined flammability (vertical burning test) Korean Sta.. 2013-12-18 現行
DS EN 61643-312:2013 Components For Low-Voltage Surge Protective Devices - Part 312: Selection And Application Principles For Gas Discharge Tubes Danish Sta.. 2013-10-11 現行
SS EN 61643-311 Ed. 2 (2013) Components For Low-Voltage Surge Protective Devices - Part 311: Performance Requirements And Test Circuits For Gas Discharge Tubes (Gdt) Standardis.. 2013-10-09 現行
BS EN 61643-312:2013 Components For Low-Voltage Surge Protective Devices - Part 312: Selection And Application Principles For Gas Discharge Tubes British St.. 2013-09-30 現行
BS EN 61643-311:2013 Components For Low-Voltage Surge Protective Devices - Part 311: Performance Requirements And Test Circuits For Gas Discharge Tubes (Gdt) British St.. 2013-09-30 現行
NBN EN 61643-311:2013 Components For Low-Voltage Surge Protective Devices - Part 311: Performance Requirements And Test Circuits For Gas Discharge Tubes (Gdt) Belgian St.. 2013-09-01 現行
I.S. EN 61643-311:2013 Components for Low-voltage Surge Protective Devices Part 311: Performance Requirements and Test Circuits for gas Discharge Tubes (gdt) (iec 61643-311:2013 (eqv)) National S.. 2013-08-15 現行
I.S. EN 61643-312:2013 Components for Low-voltage Surge Protective Devices Part 312: Selection and Application Principles for gas Discharge Tubes (iec 61643-312:2013 (eqv) + Corrigendum Jul. 2013 (eqv)) National S.. 2013-08-15 現行
NEN EN IEC 61643-311:2013 Components For Low-Voltage Surge Protective Devices - Part 311: Performance Requirements And Test Circuits For Gas Discharge Tubes (Gdt) Nederlands.. 2013-08-01 現行
NEN EN IEC 61643-312:2013 Components For Low-Voltage Surge Protective Devices - Part 312: Selection And Application Principles For Gas Discharge Tubes Nederlands.. 2013-08-01 現行
ASTM F85-76(2013) Standard Practice for Nomenclature for Wire Leads Used as Conductors in Electron Tubes American S.. 2013-05-01 被替代
ASTM F83-71(2013) Standard Practice for Definition and Determination of Thermionic Constants of Electron Emitters American S.. 2013-05-01 被替代
IEC 61643-312 Ed. 1.0 Components for low-voltage surge protective devices Part 312: Selection and application principles for gas discharge tubes Internatio.. 2013-04-22 現行
IEC 61643-311 Ed. 2.0 Components for low-voltage surge protective devices Part 311: Performance requirements and test circuits for gas discharge tubes (GDT) Internatio.. 2013-04-11 現行
JIS H 3510:2012 Oxygen free copper sheets, plates, strips, seamless pipes and tubes, rods, bars and wires for electron devices Japanese S.. 2012-10-22 現行
KS C IEC 61965:2011 Mechanical safety of cathode ray tubes Korean Sta.. 2011-12-30 現行
ASTM F1238-95(2011) Standard Specification for Refractory Silicide Sputtering Targets for Microelectronic Applications American S.. 2011-06-01 現行
ASTM F83-71(2009) Standard Practice for Definition and Determination of Thermionic Constants of Electron Emitters American S.. 2009-05-01 被替代
cacheName: