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发明名称
Open-end metal bending brake
摘要
申请公布号
US2478854(A)
申请公布日期
1949.08.09
申请号
US19480022518
申请日期
1948.04.22
申请人
WEBB ROBERT L
发明人
WEBB ROBERT L.
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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