FIRE-RETARDANT WOOD ROOF ASSEMBLY,申请号CAD877611-传众专利搜索

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发明名称	FIRE-RETARDANT WOOD ROOF ASSEMBLY
摘要
申请公布号	CA877611(A)	申请公布日期	1971.08.10
申请号	CAD877611	申请日期
申请人	KOPPERS COMPANY	发明人	WILLIAM J. OBERLEY;JOHN E. DALY
分类号		主分类号
代理机构		代理人
主权项
地址

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