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发明名称
Steel
摘要
申请公布号
US1959398(A)
申请公布日期
1934.05.22
申请号
US19290413136
申请日期
1929.12.10
申请人
ISACK W. HEYMAN;SOL L. ZAVON
发明人
WHITELEY JOHN THOMAS
分类号
C21C7/00
主分类号
C21C7/00
代理机构
代理人
主权项
地址
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