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发明名称
Apparatus for forming flanges
摘要
申请公布号
US2395692(A)
申请公布日期
1946.02.26
申请号
US19420456734
申请日期
1942.08.31
申请人
NORTH AMERICAN AVIATION, INC.
发明人
SNOW WILLIAM H.;BRENGMAN JAMES D.
分类号
B21D19/08;B21D22/10
主分类号
B21D19/08
代理机构
代理人
主权项
地址
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