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发明名称
HANDFERNSPRECHGERAET
摘要
申请公布号
DE2247913(A1)
申请公布日期
1974.04.11
申请号
DE19722247913
申请日期
1972.09.29
申请人
SIEMENS AG
发明人
SCHMIDT,WOLFGANG
分类号
H04M1/02;(IPC1-7):H04M1/08
主分类号
H04M1/02
代理机构
代理人
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地址
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