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发明名称
Powdered metal bearing
摘要
申请公布号
US2763519(A)
申请公布日期
1956.09.18
申请号
US19520299783
申请日期
1952.07.19
申请人
GENERAL MOTORS CORPORATION
发明人
THOMSON ROBERT F.
分类号
B22F7/00;F16C33/12
主分类号
B22F7/00
代理机构
代理人
主权项
地址
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