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经营范围
发明名称
Atmungsapparat zur Anordnung gemaess
摘要
申请公布号
DE600716(C)
申请公布日期
1934.07.31
申请号
DE1932B158911D
申请日期
1932.12.24
申请人
HEDWIG BEST GEB. KREMER
发明人
分类号
G21G4/10
主分类号
G21G4/10
代理机构
代理人
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地址
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