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经营范围
发明名称
Electronic telephone set
摘要
申请公布号
US4953207(A)
申请公布日期
1990.08.28
申请号
US19890427440
申请日期
1989.10.24
申请人
U.S. PHILIPS CORPORATION
发明人
VAN DONGEN, FREDERIK;JOUEN, PHILIPPE B. E.;SIJBERS, PETRUS J. M.
分类号
H04M1/00;H04M19/08
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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