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(lái)到寰標(biāo)網(wǎng)！ 客服QQ：772084082 加入會(huì)員

NBN EN 146:1992被替代

Respiratory Protective Devices - Powered Particle Filtering Devices Incorporating Helmets Or Hoods - Requirements, Testing, Marking

出版：Belgian Standards

獲取原文 如何獲取原文？問(wèn)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)： NBN EN 146:1992
標(biāo)準(zhǔn)類別：Standard
出版單位：Belgian Standards
標(biāo)準(zhǔn)頁(yè)數(shù)：33
標(biāo)準(zhǔn)簡(jiǎn)介

Describes minimum requirements for powered particle filtering devices incorporating helmets or hoods used as respiratory protective devices. Does not cover devices designed for use in circumstances where there is or might be an oxygen deficiency. Does not cover respiratory protective devices designed for escape purposes. Covers references, definition and description, classification and designation, requirements, testing, instructions for use and marking. Included are tables and figures.

替代本標(biāo)準(zhǔn)的新標(biāo)準(zhǔn)

NBN EN 12941:1998

等同采用的國(guó)際標(biāo)準(zhǔn)

EN 146:1991 - Identical

UNE EN 146:1992 - Identical

SS EN 146:1991 - Identical

UNI EN 146:1992 - Identical

I.S. EN 146:1992 - Identical

BS EN 146:1992 - Identical

DIN EN 146 (1991-11) - Identical

IEC 60651 Ed. 1.2 - Identical

NF EN 146:1992 - Identical