COMPOSITION OF FILLER FOR DOUBLE WALL-STRUCTURED SYNTHETIC RESIN PIPE,申请号KR1019870012170-传众专利搜索

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发明名称	COMPOSITION OF FILLER FOR DOUBLE WALL-STRUCTURED SYNTHETIC RESIN PIPE
摘要
申请公布号	KR1019900006996(B1)	申请公布日期	1990.10.08
申请号	KR1019870012170	申请日期	1987.10.31
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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