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发明名称
Method of and apparatus for making sheet metal
摘要
申请公布号
US2062875(A)
申请公布日期
1936.12.01
申请号
US19350021089
申请日期
1935.05.13
申请人
UNITED ENGINEERING & FOUNDRY COMPANY
发明人
GARDNER KIRTLAND C.
分类号
B21B1/22;B21B15/00
主分类号
B21B1/22
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代理人
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