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发明名称
Metal working
摘要
申请公布号
US3277688(A)
申请公布日期
1966.10.11
申请号
US19630313649
申请日期
1963.10.03
申请人
THE LODGE & SHIPLEY COMPANY
发明人
SPORCK CLAUS L.
分类号
B21D22/14;B21D22/18;B21H7/00
主分类号
B21D22/14
代理机构
代理人
主权项
地址
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