MANHOLE COVER WITH LOCKED HINGE,申请号EP19900470050-传众专利搜索

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发明名称	MANHOLE COVER WITH LOCKED HINGE
摘要
申请公布号	EP0420777(B1)	申请公布日期	1993.07.21
申请号	EP19900470050	申请日期	1990.09.19
申请人	PONT-A-MOUSSON S.A.	发明人	BERTHON, FRANCIS;HAUER, JEAN-CLAUDE
分类号	E02D29/12;E02D29/14	主分类号	E02D29/12
代理机构		代理人
主权项
地址

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