An improved method of and means for cleaning water pipes internally,申请号GB19360006500-传众专利搜索

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发明名称	An improved method of and means for cleaning water pipes internally
摘要
申请公布号	GB469780(A)	申请公布日期	1937.08.03
申请号	GB19360006500	申请日期	1936.03.04
申请人	PERCY WALTERS	发明人
分类号	B08B9/02	主分类号	B08B9/02
代理机构		代理人
主权项
地址

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