建筑火灾逃生避难器材 第8部分：化学氧消防自救呼吸器
Escape apparatus for building fire—Part 8: Chemical oxygen respiratory protective devices for self-rescue from fire
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发布于：2025-12-31
实施于：2027-01-01
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Escape apparatus for building fire—Part 8: Chemical oxygen respiratory protective devices for self-rescue from fire