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发明名称
Method of producing hard cemented carbide composites
摘要
申请公布号
US2108797(A)
申请公布日期
1938.02.22
申请号
US19350002959
申请日期
1935.06.22
申请人
COMSTOCK GREGORY J
发明人
COMSTOCK GREGORY J.
分类号
C22C1/05
主分类号
C22C1/05
代理机构
代理人
主权项
地址
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