Improvements in or relating to drainage apparatus,申请号GB19940017156-传众专利搜索

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发明名称	Improvements in or relating to drainage apparatus
摘要
申请公布号	GB9417156(D0)	申请公布日期	1994.10.12
申请号	GB19940017156	申请日期	1994.08.25
申请人	C.I.S. (CAST IRON SERVICES) LTD	发明人
分类号	E01C11/22;E01D19/08	主分类号	E01C11/22
代理机构		代理人
主权项
地址

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