LAYING OF PIPES OR CABLES IN A BED OF MATERIAL,申请号GB19740045502-传众专利搜索

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发明名称	LAYING OF PIPES OR CABLES IN A BED OF MATERIAL
摘要
申请公布号	GB1531233(A)	申请公布日期	1978.11.08
申请号	GB19740045502	申请日期	1975.10.21
申请人	WHARTON ENGS LTD	发明人
分类号	E02F5/10;E02F5/12;(IPC1-7):F16L1/04	主分类号	E02F5/10
代理机构		代理人
主权项
地址

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