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经营范围
发明名称
ANORDNING FOR GASSAVTOERRING.
摘要
申请公布号
NO811260(A)
申请公布日期
1981.10.12
申请号
NO19810001260
申请日期
1981.04.10
申请人
BETHLEHEM STEEL CORP,
发明人
STAVROS, ANTHONY J.,;CRANDALL, ROGER L.,
分类号
B22D23/04;C23C2/18;C23C2/20;C23C2/38;(IPC1-7):C23C/
主分类号
B22D23/04
代理机构
代理人
主权项
地址
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