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发明名称
Mechanism for feeding and cutting sheet metal
摘要
申请公布号
US2148248(A)
申请公布日期
1939.02.21
申请号
US19360086125
申请日期
1936.06.19
申请人
SWANGREN EDWIN V
发明人
SWANGREN EDWIN V.
分类号
B21D43/28;B31B17/60
主分类号
B21D43/28
代理机构
代理人
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