Improvements in or relating to flushing valves,申请号GB19490018391-传众专利搜索

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发明名称	Improvements in or relating to flushing valves
摘要
申请公布号	GB665030(A)	申请公布日期	1952.01.16
申请号	GB19490018391	申请日期	1949.07.12
申请人	UUNO LAUTIAINEN	发明人
分类号	E03D3/04	主分类号	E03D3/04
代理机构		代理人
主权项
地址

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