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发明名称
Taper threading implement
摘要
申请公布号
US3365924(A)
申请公布日期
1968.01.30
申请号
US19650500985
申请日期
1965.10.22
申请人
THE NATIONAL ACME COMPANY
发明人
CUMMINGS EDGAR H.
分类号
B21H3/04
主分类号
B21H3/04
代理机构
代理人
主权项
地址
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