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发明名称
Dichtheitspruefvorrichtung fuer Ausatemventile von Atemschutzgeraeten
摘要
申请公布号
DE669211(C)
申请公布日期
1938.12.19
申请号
DENDATD070351D
申请日期
申请人
DRAEGERWERK HEINR.;BERNH. DRAEGER
发明人
分类号
A62B27/00
主分类号
A62B27/00
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代理人
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