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发明名称
Method and apparatus for fabricating metallic structure
摘要
申请公布号
US2040349(A)
申请公布日期
1936.05.12
申请号
US19350031254
申请日期
1935.07.13
申请人
JAMES G. KYLE;FRED C. ROSCHE
发明人
WAGNER ALBERT G.
分类号
B21F27/20
主分类号
B21F27/20
代理机构
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