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发明名称
A cobalt high speed tool steel
摘要
申请公布号
GB352951(A)
申请公布日期
1931.07.14
申请号
GB19300011789
申请日期
1930.04.14
申请人
OESTERREICHISCHE SCHMIDTSTAHLWERKE A.G.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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