PERMEABLE REFRACTORY BODIES,申请号GB19770045738-传众专利搜索

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发明名称	PERMEABLE REFRACTORY BODIES
摘要
申请公布号	GB1584786(A)	申请公布日期	1981.02.18
申请号	GB19770045738	申请日期	1977.11.03
申请人	NORTON CO	发明人
分类号	C04B38/00;B22D1/00;C04B35/591;C04B35/63;C22B21/06;(IPC1-7):C04B21/00	主分类号	C04B38/00
代理机构		代理人
主权项
地址

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