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发明名称
Method of forging hollow articles
摘要
申请公布号
US2557722(A)
申请公布日期
1951.06.19
申请号
US19460644944
申请日期
1946.02.01
申请人
BRAUCHLER CHARLES A
发明人
BRAUCHLER CHARLES A.
分类号
B21J5/12;B21K1/18;B21K21/16
主分类号
B21J5/12
代理机构
代理人
主权项
地址
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