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经营范围
发明名称
Coin chute
摘要
申请公布号
US2023592(A)
申请公布日期
1935.12.10
申请号
US19340714338
申请日期
1934.03.06
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
HOYT FREDERICK A.
分类号
主分类号
代理机构
代理人
主权项
地址
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