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发明名称
FERRITIC CHROMIUM STEELS
摘要
申请公布号
CA509783(A)
申请公布日期
1955.02.01
申请号
CAD509783
申请日期
申请人
UNION CARBIDE CANADA LIMITED
发明人
WALTER CRAFTS
分类号
主分类号
代理机构
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