jacksonmoss 发表于 2013-11-30 15:29:52

BS 8468-3.1:2009

BS 8468-3.1:2009
Respiratory protective devices for use against chemical, biological, radiolagical and nuclear (CBRN) agents Self-contained open-circuit compressed air breathing apparatus incorporating a hood for escape. Specification


admin 发表于 2013-11-30 20:12:19


谢谢您的分享，金币已奖励！
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