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发明名称
TUNGSTEN-CARBON ALLOYS AND THEIR PREPARATION
摘要
申请公布号
IL87587(A)
申请公布日期
1993.01.14
申请号
IL19880087587
申请日期
1988.08.29
申请人
AIR PRODUCTS AND CHEMICALS, INC., ALLENTOWN, PA., U.S.A.
发明人
分类号
C01B31/34;C23C16/08;C23C16/30;C23C16/32;(IPC1-7):C23C16/32
主分类号
C01B31/34
代理机构
代理人
主权项
地址
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瓶
型材(1)
小摆设(B)
自动切换器的主插座体
电焊机(WS-400R)
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通信机柜(II)
台式组合音响(2)