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发明名称
Segmented die assembly
摘要
申请公布号
US3187549(A)
申请公布日期
1965.06.08
申请号
US19610142579
申请日期
1961.10.03
申请人
NORTH AMERICAN AVIATION, INC.
发明人
GUY CHARLES W.
分类号
B21D26/08;B21D37/10
主分类号
B21D26/08
代理机构
代理人
主权项
地址
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