Controlling of Respiratory Resistance of Oxygen Respirator with Positive Pressure
HOU Yu-jin
QU Yuan-zi
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Publication Date:2007-01-01
Online Publishing Date:2025-08-15(First online date of this platform, not the publication date of the document)
Pages:4( 47-50 )
SAFETY IN COAL MINES

SAFETY IN COAL MINES

PKUISTIC
ISSN:1003-496X
Year, Vol.(Issue):2007,38(11)