AN ARRANGEMENT RELATING TO A DRAINAGE PIPE,申请号GB19810022406-传众专利搜索

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发明名称	AN ARRANGEMENT RELATING TO A DRAINAGE PIPE
摘要
申请公布号	GB2076927(A)	申请公布日期	1981.12.09
申请号	GB19810022406	申请日期	1980.11.28
申请人	BERGSLAND JON	发明人
分类号	E02B11/00;(IPC1-7):E02B11/00	主分类号	E02B11/00
代理机构		代理人
主权项
地址

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