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发明名称
Telephone set
摘要
申请公布号
US4945558(A)
申请公布日期
1990.07.31
申请号
US19880259887
申请日期
1988.10.19
申请人
MARS INCORPORATED
发明人
DEAVILLE, DAVID C.
分类号
H04M1/04;G07F7/00;H04M1/675
主分类号
H04M1/04
代理机构
代理人
主权项
地址
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