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发明名称
Verfahren zur Verguetung von Atemluft mit Sauerstoff in individuell oder kollektiv abgeschlossenen Raeumen
摘要
申请公布号
DE726899(C)
申请公布日期
1942.10.22
申请号
DE1937D074341D
申请日期
1937.01.07
申请人
DRAEGERWERK HEINR. U. BERNH. DRAEGER
发明人
SPETER DR. MAX
分类号
A62B21/00
主分类号
A62B21/00
代理机构
代理人
主权项
地址
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