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经营范围
发明名称
Nitride bonded refractory shapes and their production
摘要
申请公布号
GB2075965(A)
申请公布日期
1981.11.25
申请号
GB19810013856
申请日期
1981.05.06
申请人
DRESSER INDUSTRIES INC
发明人
分类号
C04B35/65;(IPC1-7):C04B35/65
主分类号
C04B35/65
代理机构
代理人
主权项
地址
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