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发明名称
Perforating machine
摘要
申请公布号
US1760075(A)
申请公布日期
1930.05.27
申请号
US19250003042
申请日期
1925.01.17
申请人
MCCULLOUGH IRA J;SUMTER BLACK MILLARD
发明人
MCCULLOUGH IRA J.;BLACK MILLARD SUMTER
分类号
B23D45/10;B23D45/12;B23D47/12
主分类号
B23D45/10
代理机构
代理人
主权项
地址
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