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发明名称
Method of forming metal portions of coin collector housings
摘要
申请公布号
US2150383(A)
申请公布日期
1939.03.14
申请号
US19370136760
申请日期
1937.04.14
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
MACLAGAN ALLAN R.;SCHUSTER FRED F.
分类号
B21D53/00;B21K1/26
主分类号
B21D53/00
代理机构
代理人
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