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发明名称
Method for accomplishing one side expansion in pressure welded passageway panels
摘要
申请公布号
US2966729(A)
申请公布日期
1961.01.03
申请号
US19560588315
申请日期
1956.05.31
申请人
REYNOLDS METALS COMPANY
发明人
DEDRICK JOHN H.
分类号
B21D53/04
主分类号
B21D53/04
代理机构
代理人
主权项
地址
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