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经营范围
发明名称
Improvement in lead alloy bearing metal
摘要
申请公布号
GB433653(A)
申请公布日期
1935.08.19
申请号
GB19340012728
申请日期
1934.04.27
申请人
S. & T. METAL COMPANY
发明人
分类号
C22C11/02
主分类号
C22C11/02
代理机构
代理人
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地址
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