METHOD FOR MAKING A NEEDLED FELT FROM SLAG WOOL,申请号EP19890117542-传众专利搜索

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发明名称	METHOD FOR MAKING A NEEDLED FELT FROM SLAG WOOL
摘要
申请公布号	EP0363707(A3)	申请公布日期	1990.09.05
申请号	EP19890117542	申请日期	1989.09.22
申请人	GRUNZWEIG + HARTMANN AG	发明人	BIHY, LOTHAR, DIPL.-PHYS.;KUMMERMEHR, HANS;STOYKE, REINHARD, DIPL.-ING.
分类号	C04B14/46;C04B20/04;D04H1/4209;D04H1/46;(IPC1-7):D04H1/46	主分类号	C04B14/46
代理机构		代理人
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