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发明名称
Coin operated device
摘要
申请公布号
US2096560(A)
申请公布日期
1937.10.19
申请号
US19360057738
申请日期
1936.01.06
申请人
RISTAU ALFRED G
发明人
RISTAU ALFRED G.
分类号
G07F9/00
主分类号
G07F9/00
代理机构
代理人
主权项
地址
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