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发明名称
Bearing manufacture
摘要
申请公布号
US1956467(A)
申请公布日期
1934.04.24
申请号
US19300485696
申请日期
1930.10.01
申请人
THE CLEVELAND GRAPHITE BRONZE COMPANY
发明人
PALM JOHN V. O.
分类号
B22D11/00
主分类号
B22D11/00
代理机构
代理人
主权项
地址
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