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发明名称
Method of forging and refinishing detachable bits and the like and apparatus therefor
摘要
申请公布号
US2310675(A)
申请公布日期
1943.02.09
申请号
US19420428606
申请日期
1942.01.28
申请人
INTERNATIONAL DETACHABLE BITS & EQUIPMENT LIMITED
发明人
BOYCE GEORGE EDMUND
分类号
B21K5/06
主分类号
B21K5/06
代理机构
代理人
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