MANHOLES,申请号GB19710033429-传众专利搜索

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发明名称	MANHOLES
摘要
申请公布号	GB1363302(A)	申请公布日期	1974.08.14
申请号	GB19710033429	申请日期	1972.10.13
申请人	HEPWORTH IRON CO LTD	发明人
分类号	E03F5/02;(IPC1-7):E03F5/02	主分类号	E03F5/02
代理机构		代理人
主权项
地址

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