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经营范围
发明名称
Graphitic alloy steels and nitrided products made therefrom
摘要
申请公布号
GB648242(A)
申请公布日期
1951.01.03
申请号
GB19450011437
申请日期
1945.05.04
申请人
LITRALLOY LIMITED
发明人
分类号
C22C38/02;C22C38/06;C23C8/00
主分类号
C22C38/02
代理机构
代理人
主权项
地址
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