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经营范围
发明名称
Improved manufacture of bearings
摘要
申请公布号
GB547852(A)
申请公布日期
1942.09.15
申请号
GB19410003350
申请日期
1941.03.12
申请人
GENERAL MOTORS CORPORATION
发明人
分类号
B22F7/04
主分类号
B22F7/04
代理机构
代理人
主权项
地址
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