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发明名称
Precision prick punch
摘要
申请公布号
US2354862(A)
申请公布日期
1944.08.01
申请号
US19430505568
申请日期
1943.10.08
申请人
CARL HOUGHTON
发明人
HOUGHTON CARL
分类号
B25D5/00
主分类号
B25D5/00
代理机构
代理人
主权项
地址
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