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发明名称
METHOD AND APPARATUS FOR FORMING COMPOUND CURVATURES IN SHEET MATERIAL
摘要
申请公布号
CA645801(A)
申请公布日期
1962.07.31
申请号
CAD645801
申请日期
申请人
VALENTINE E. MACY, JR.
发明人
EARLE F. ALLEN;ARTEMAS J. HAYNES
分类号
主分类号
代理机构
代理人
主权项
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