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发明名称
Bending brake
摘要
申请公布号
US2128295(A)
申请公布日期
1938.08.30
申请号
US19350041799
申请日期
1935.09.23
申请人
SAMUEL GOODMAN
发明人
GOODMAN SAMUEL
分类号
B21D5/04
主分类号
B21D5/04
代理机构
代理人
主权项
地址
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