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发明名称
Coin chute
摘要
申请公布号
US2278930(A)
申请公布日期
1942.04.07
申请号
US19400367199
申请日期
1940.11.26
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
HOYT FREDERICK A.
分类号
H04M17/00
主分类号
H04M17/00
代理机构
代理人
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