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经营范围
发明名称
Perfectionnements aux aciers alliés ferritiques
摘要
申请公布号
FR1051014(A)
申请公布日期
1954.01.12
申请号
FRD1051014
申请日期
1952.02.21
申请人
THOS. FIRTH & JOHN BROWN LIMITED
发明人
分类号
C22C38/22;C22C38/24;C22C38/28;C22C38/32
主分类号
C22C38/22
代理机构
代理人
主权项
地址
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