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发明名称
Metal bending brake with rear-wardly slidable clamping beam
摘要
申请公布号
US2494149(A)
申请公布日期
1950.01.10
申请号
US19470763815
申请日期
1947.07.26
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
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地址
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