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发明名称
Prepayment coin box system
摘要
申请公布号
US2319032(A)
申请公布日期
1943.05.11
申请号
US19400328611
申请日期
1940.04.09
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BASCOM HENRY M.
分类号
F04B53/10;H04M17/02
主分类号
F04B53/10
代理机构
代理人
主权项
地址
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