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发明名称
Machine for bending trouser hooks
摘要
申请公布号
US1788241(A)
申请公布日期
1931.01.06
申请号
US19280282063
申请日期
1928.06.01
申请人
BRIEDE & ROGOVSKY
发明人
KENT OWEN
分类号
B21D39/02
主分类号
B21D39/02
代理机构
代理人
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地址
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