REFRACTORY LINING FOR LADDLES,IN PARTICULAR THOSES USED IN FURNACELESS VACUUM METALLURGICAL PROCESSES,申请号PL19870267170-传众专利搜索

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发明名称	REFRACTORY LINING FOR LADDLES,IN PARTICULAR THOSES USED IN FURNACELESS VACUUM METALLURGICAL PROCESSES
摘要
申请公布号	PL154742(B1)	申请公布日期	1991.09.30
申请号	PL19870267170	申请日期	1987.08.01
申请人		发明人
分类号	B22D;B22D41/02;(IPC1-7):B22D41/02	主分类号	B22D
代理机构		代理人
主权项
地址

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