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发明名称
DREHBARER TELEFON-APPARATE-UNTERSATZ.
摘要
申请公布号
DE1614527(U)
申请公布日期
1950.10.12
申请号
DE195000W1085U
申请日期
1950.04.15
申请人
PAUL WEBER
发明人
PAUL WEBER
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主分类号
代理机构
代理人
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