MANHOLE/ACCESS COVER AND FRAME ASSEMBLIES,申请号GB19830031735-传众专利搜索

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发明名称	MANHOLE/ACCESS COVER AND FRAME ASSEMBLIES
摘要
申请公布号	GB8331735(D0)	申请公布日期	1984.01.04
申请号	GB19830031735	申请日期	1983.11.28
申请人	SELFLEVEL COVERS AG	发明人
分类号	E02D29/14	主分类号	E02D29/14
代理机构		代理人
主权项
地址

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