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发明名称
Feed for bolt-trimming machines
摘要
申请公布号
US1759890(A)
申请公布日期
1930.05.27
申请号
US19260148288
申请日期
1926.11.13
申请人
THE NATIONAL MACHINERY CO.
发明人
CLOUSE WILLIAM L.
分类号
B21K1/50
主分类号
B21K1/50
代理机构
代理人
主权项
地址
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