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发明名称
Pay station coin collecting system
摘要
申请公布号
US2039519(A)
申请公布日期
1936.05.05
申请号
US19310554190
申请日期
1931.07.31
申请人
ASSOCIATED TELEPHONE UTILITIES COMPANY
发明人
COLLINS RALPH D.;REID WILLIAM M.;BOURNE STANLEY E.
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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