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发明名称
Method of making bearings
摘要
申请公布号
US1906273(A)
申请公布日期
1933.05.02
申请号
US19280328967
申请日期
1928.12.28
申请人
THE CLEVELAND GRAPHITE BRONZE COMPANY
发明人
KLOCKE WILLIAM H.
分类号
B21K1/04
主分类号
B21K1/04
代理机构
代理人
主权项
地址
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