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发明名称
Method of forming bearings
摘要
申请公布号
US2577187(A)
申请公布日期
1951.12.04
申请号
US19460689984
申请日期
1946.08.12
申请人
NORTH AMERICAN AVIATION, INC.
发明人
FOX LAWRENCE H. E.
分类号
B23K1/20;F16C33/12;F16C33/28
主分类号
B23K1/20
代理机构
代理人
主权项
地址
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