Specialized acoustical panels in rock wool or other mineral fibre principally intended for the creation of highway acoustical barriers,申请号IT19890012025-传众专利搜索

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发明名称	Specialized acoustical panels in rock wool or other mineral fibre principally intended for the creation of highway acoustical barriers
摘要
申请公布号	IT1236106(B)	申请公布日期	1992.12.22
申请号	IT19890012025	申请日期	1989.11.21
申请人	SOCIETA'ITALIANA PROGETTI SRL	发明人	ASSIRELLI GIANFRANCO
分类号	E01F;(IPC1-7):E01F/	主分类号	E01F
代理机构		代理人
主权项
地址

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