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发明名称
Telephone coin collector
摘要
申请公布号
US2299854(A)
申请公布日期
1942.10.27
申请号
US19410386458
申请日期
1941.04.02
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
SMITH ALBERT K.;SMYTHE EDWIN H.
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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