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经营范围
发明名称
ACIERS D'ALLIAGE
摘要
申请公布号
BE757558(A1)
申请公布日期
1971.03.16
申请号
BED757558
申请日期
申请人
BRITISH STEEL CORP., 33 GROSVENOR PLACE A LONDRES (GR.-BR.),
发明人
分类号
B22D1/00;C21C7/00;C21C7/072;(IPC1-7):C22C/
主分类号
B22D1/00
代理机构
代理人
主权项
地址
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