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经营范围
发明名称
An improved alloy
摘要
申请公布号
GB474981(A)
申请公布日期
1937.11.08
申请号
GB19360013011
申请日期
1936.05.08
申请人
THE CLEVELAND GRAPHITE BRONZE COMPANY
发明人
分类号
C22C13/02
主分类号
C22C13/02
代理机构
代理人
主权项
地址
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