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发明名称
Raumschutzanordnung mit Signalgabe ueber die Fernsprechleitung
摘要
申请公布号
DE750255(C)
申请公布日期
1945.01.04
申请号
DED750255D
申请日期
1936.07.08
申请人
发明人
SAUTER OTTO
分类号
H04M11/04
主分类号
H04M11/04
代理机构
代理人
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