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发明名称
Gear lapping
摘要
申请公布号
US2541283(A)
申请公布日期
1951.02.13
申请号
US19480037132
申请日期
1948.07.06
申请人
NATIONAL BROACH & MACHINE COMPANY
发明人
PRAEG WALTER S.
分类号
B23F19/02
主分类号
B23F19/02
代理机构
代理人
主权项
地址
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