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经营范围
发明名称
Hartmetallegierung
摘要
申请公布号
DE667071(C)
申请公布日期
1938.11.03
申请号
DE1931K121990D
申请日期
1931.09.04
申请人
FRIED. KRUPP AKT.-GES.
发明人
分类号
C22C29/14
主分类号
C22C29/14
代理机构
代理人
主权项
地址
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