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发明名称
Gegensprechanlage
摘要
申请公布号
DE19506673(C2)
申请公布日期
1998.08.13
申请号
DE19951006673
申请日期
1995.02.25
申请人
CHEN, JHY PING, CHUNGLI CITY, TW
发明人
CHEN, JHY PING, CHUNGLI CITY, TW
分类号
H04N7/18;(IPC1-7):H04M9/00
主分类号
H04N7/18
代理机构
代理人
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地址
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