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发明名称
Perforating device
摘要
申请公布号
US1781819(A)
申请公布日期
1930.11.18
申请号
US19270206295
申请日期
1927.07.16
申请人
BLUE VALLEY CREAMERY COMPANY
发明人
MCCAIN WES W.
分类号
B26F1/06
主分类号
B26F1/06
代理机构
代理人
主权项
地址
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