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发明名称
Method for rolling tapered threads on bars
摘要
申请公布号
US4819469(A)
申请公布日期
1989.04.11
申请号
US19870027319
申请日期
1987.03.18
申请人
ERICO INTERNATIONAL CORPORATION
发明人
KIES, ANTON M.;VAN DEN NIEUWELAAR, HARRY C.;BOWMER, GEOFF M.
分类号
B21H3/04;B21H3/06;E04C5/18;(IPC1-7):B21H3/04
主分类号
B21H3/04
代理机构
代理人
主权项
地址
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