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发明名称
Telephone handset
摘要
申请公布号
GB2073542(A)
申请公布日期
1981.10.14
申请号
GB19800026099
申请日期
1980.08.11
申请人
DEUTSCHE TELEPHONWERKE KABEL
发明人
分类号
H04M1/03;(IPC1-7):H04M1/20
主分类号
H04M1/03
代理机构
代理人
主权项
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