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经营范围
发明名称
Coin collector
摘要
申请公布号
US2037174(A)
申请公布日期
1936.04.14
申请号
US19350030788
申请日期
1935.07.11
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MILLS PERCY E.;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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