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发明名称
MAKROKRISTALLINES WOLFRAMMONOCARBIDPULVER UND VERFAHREN ZU SEINER HERSTELLUNG
摘要
申请公布号
DE3790821(T1)
申请公布日期
1989.12.21
申请号
DE19873790821T
申请日期
1987.11.20
申请人
KENNAMETAL INC., LATROBE, PA., US
发明人
TERRY, CHARLES JAMES;FRANK, JACK D., FALLON, NEV., US
分类号
C01B31/34;C04B35/56;(IPC1-7):C01B31/34
主分类号
C01B31/34
代理机构
代理人
主权项
地址
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