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изолирующий противогаз stresses
gen.	oxygen-breathing protective mask
fire.	breathing apparatus; gas mask; selfcontained mask
geol.	oxygen breathing apparatus
Gruzovik, mil., WMD	oxygen-breathing protective mask
mil.	isolating gas mask; oxygen breathing gas mask; supplied-air gas mask (voenper2020.site Киселев)
mil., WMD	self-contained breathing apparatus
O&G	rebreather; red pack
OHS	self-contained respirator (igisheva)
tech.	oxygen breathing protective mask

изолирующий противогаз: 1 phrase in 1 subject

Firefighting and fire-control systems

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