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
當(dāng)前位置: 首頁 > 標(biāo)準(zhǔn)詳情頁

NS EN 677 Ed. 1 (1998)被替代

Gas-fired Central Heating Boilers - Specific Requirements For Condensing Boilers With A Nominal Heat Input Not Exceeding 70 Kw

出版:Norwegian Standards (Norges Standardiseringsforbund)

獲取原文 如何獲取原文?問客服 獲取原文,即可享受本標(biāo)準(zhǔn)狀態(tài)變更提醒服務(wù)!

專家解讀視頻

基本信息
標(biāo)準(zhǔn)編號(hào): NS EN 677 Ed. 1 (1998)
發(fā)布時(shí)間:1998/9/4 0:00:00
標(biāo)準(zhǔn)類別:Standard
出版單位:Norwegian Standards (Norges Standardiseringsforbund)
標(biāo)準(zhǔn)頁數(shù):0
標(biāo)準(zhǔn)簡(jiǎn)介

Applicable to gas-fired central heating boilers, known as "condensing boilers" of types B (not including appliances without a fan) and to those using one or more gases corresponding to the three gas families and where the nominal heat input is not in excess of 70 kW.

替代本標(biāo)準(zhǔn)的新標(biāo)準(zhǔn)

NS EN 15502-2-2:2014

等同采用的國際標(biāo)準(zhǔn)

I.S. EN 677:1998 - Identical

UNI EN 677:2000 - Identical

NBN EN 677:1998 - Identical

NF EN 677:1998 - Identical

ONORM EN 677:1998 - Identical

DIN EN 677 (1998-08) - Identical

UNE EN 677:1998 - Identical

SS EN 677 Ed. 1 (1998) - Identical

SN EN 677:1999 - Identical

NEN EN 677:1998 - Identical

BS EN 677:1998 - Identical