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发明名称
Apparatus for punching out workpieces
摘要
申请公布号
US3373643(A)
申请公布日期
1968.03.19
申请号
US19660526863
申请日期
1966.02.11
申请人
UNITED SHOE MACHINERY CORPORATION;BOSTON, MASS.
发明人
SPENGLER ERNST MAXIMILIAN
分类号
B21D37/20;B26F1/44;C14B5/00
主分类号
B21D37/20
代理机构
代理人
主权项
地址
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