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发明名称
Precision layout gauge for drill guides
摘要
申请公布号
US2497733(A)
申请公布日期
1950.02.14
申请号
US19480021622
申请日期
1948.04.17
申请人
KEBOUR JOSEPH N
发明人
KEBOUR JOSEPH N.
分类号
B23B47/28
主分类号
B23B47/28
代理机构
代理人
主权项
地址
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Spring circlip for bearing - has trapezoidal section fitting matching groove in bearing and opposed lugs for retaining bolts
DISPOSITIF SYNTHETISEUR DE FREQUENCE
