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发明名称
Collapsible punch
摘要
申请公布号
US2400961(A)
申请公布日期
1946.05.28
申请号
US19430471609
申请日期
1943.01.07
申请人
GENERAL FOODS CORPORATION
发明人
THAYER JOSEPHUS J.
分类号
B21D37/10;B21D51/50
主分类号
B21D37/10
代理机构
代理人
主权项
地址
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