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发明名称
Gap mill control
摘要
申请公布号
US2887915(A)
申请公布日期
1959.05.26
申请号
US19520313159
申请日期
1952.10.04
申请人
THE NATIONAL MACHINERY COMPANY
发明人
FRIEDMAN JOHN H.
分类号
B21H1/22
主分类号
B21H1/22
代理机构
代理人
主权项
地址
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