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发明名称
Coin collector
摘要
申请公布号
US2251073(A)
申请公布日期
1941.07.29
申请号
US19380209883
申请日期
1938.05.25
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
SHANN OSCAR A.
分类号
H04M17/02
主分类号
H04M17/02
代理机构
代理人
主权项
地址
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