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发明名称
Ebenes Formstueck zum Herstellen einer Gasschutzmaske
摘要
申请公布号
DE719355(C)
申请公布日期
1942.04.04
申请号
DE1939B188870D
申请日期
1939.10.20
申请人
BARTELS & RIEGER
发明人
BARTELS CARL
分类号
A62B18/02
主分类号
A62B18/02
代理机构
代理人
主权项
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