Polyurethane free from ether linkages,申请号IT19770067931-传众专利搜索

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发明名称	Polyurethane free from ether linkages
摘要
申请公布号	IT1073612(B)	申请公布日期	1985.04.17
申请号	IT19770067931	申请日期	1977.04.26
申请人	PPG INDUSTRIES INC	发明人
分类号	C08L;(IPC1-7):C08L/	主分类号	C08L
代理机构		代理人
主权项
地址

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