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发明名称
Bearing manufacture
摘要
申请公布号
US1987752(A)
申请公布日期
1935.01.15
申请号
US19300478824
申请日期
1930.08.30
申请人
THE CLEVELAND GRAPHITE BRONZE COMPANY
发明人
SALZMAN GEORGE S.
分类号
B22D13/02
主分类号
B22D13/02
代理机构
代理人
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地址
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