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发明名称
Coin-actuated mechanism
摘要
申请公布号
US1761784(A)
申请公布日期
1930.06.03
申请号
US19290346608
申请日期
1929.03.13
申请人
FRY BENJAMIN L
发明人
FRY BENJAMIN L.
分类号
G07F11/20
主分类号
G07F11/20
代理机构
代理人
主权项
地址
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