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发明名称
Method of producing a socket wrench head
摘要
申请公布号
US2182922(A)
申请公布日期
1939.12.12
申请号
US19380197146
申请日期
1938.03.21
申请人
THE HERBRAND CORPORATION
发明人
HESCHEL EUGENE A.
分类号
B21K5/16
主分类号
B21K5/16
代理机构
代理人
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地址
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