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发明名称
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摘要
申请公布号
DE716957(C)
申请公布日期
1942.02.02
申请号
DE1935S117067D
申请日期
1935.02.08
申请人
SIEMENS APPARATE UND MASCHINEN G.M.B.H.
发明人
PAUL WALTER
分类号
G08B5/32
主分类号
G08B5/32
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