Insulation board for roofing,申请号GB19890020347-传众专利搜索

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发明名称	Insulation board for roofing
摘要
申请公布号	GB2223248(A)	申请公布日期	1990.04.04
申请号	GB19890020347	申请日期	1989.09.08
申请人	* ROCKWOOL INTERNATIONAL A/S	发明人	SVEND FREDTOFT * PETERSEN;LUIS * NORGARD
分类号	E04B7/22	主分类号	E04B7/22
代理机构		代理人
主权项
地址

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