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发明名称
Gasschutzmaske mit eingebautem Mikrophon
摘要
申请公布号
DE612303(C)
申请公布日期
1935.04.17
申请号
DE1932W089079D
申请日期
1932.05.27
申请人
RUDOLF WEICHERT;RUDOLF WEICHERT
发明人
分类号
A62B18/08
主分类号
A62B18/08
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