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发明名称
Hard sintered materials
摘要
申请公布号
US3033694(A)
申请公布日期
1962.05.08
申请号
US19590853014
申请日期
1959.11.16
申请人
HARD METAL TOOLS LIMITED
发明人
TRENT EDWARD M.;COMINS DAVID B.
分类号
C22C32/00
主分类号
C22C32/00
代理机构
代理人
主权项
地址
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