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发明名称
Telephone attachment device
摘要
申请公布号
US3063183(A)
申请公布日期
1962.11.13
申请号
US19570682749
申请日期
1957.09.09
申请人
LONG JOHN C
发明人
LONG JOHN C.
分类号
G09F3/20;H04M1/21
主分类号
G09F3/20
代理机构
代理人
主权项
地址
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