PRODUCING METHOD OF CLEANING AGENT FOR METAL PIPE,申请号KR1019900004908-传众专利搜索

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发明名称	PRODUCING METHOD OF CLEANING AGENT FOR METAL PIPE
摘要
申请公布号	KR1019920004017(B1)	申请公布日期	1992.05.22
申请号	KR1019900004908	申请日期	1990.04.10
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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