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经营范围
发明名称
Push bench die holder
摘要
申请公布号
US1977327(A)
申请公布日期
1934.10.16
申请号
US19320637362
申请日期
1932.10.11
申请人
WELLMAN SEAVER ROLLING MILL CO. LTD.
发明人
SMITH SYDNEY
分类号
B21C3/12
主分类号
B21C3/12
代理机构
代理人
主权项
地址
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