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发明名称
Method of producing hard alloys
摘要
申请公布号
GB355782(A)
申请公布日期
1931.08.25
申请号
GB19300009479
申请日期
1930.03.25
申请人
VEREINIGTE STAHLWERKE AKTIENGESELLSCHAFT
发明人
分类号
C22C19/07
主分类号
C22C19/07
代理机构
代理人
主权项
地址
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