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发明名称
Method for precision forming
摘要
申请公布号
US3025905(A)
申请公布日期
1962.03.20
申请号
US19570638801
申请日期
1957.02.07
申请人
NORTH AMERICAN AVIATION, INC.
发明人
HAERR ROGER S.
分类号
B21D11/18
主分类号
B21D11/18
代理机构
代理人
主权项
地址
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