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经营范围
发明名称
The marking of ingots
摘要
申请公布号
GB880807(A)
申请公布日期
1961.10.25
申请号
GB19590001278
申请日期
1959.01.13
申请人
KONINKLIJKE NEDERLANDSCHE HOOGOVENS EN STAALFABRIEKEN N.V.
发明人
分类号
B22D3/00
主分类号
B22D3/00
代理机构
代理人
主权项
地址
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