Improvements in rotary plug valves,申请号GB19510029172-传众专利搜索

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发明名称	Improvements in rotary plug valves
摘要
申请公布号	GB715210(A)	申请公布日期	1954.09.08
申请号	GB19510029172	申请日期	1951.12.13
申请人	GUILLERMO PALACIOS BRIDGEFIELD	发明人
分类号	F16K5/16	主分类号	F16K5/16
代理机构		代理人
主权项
地址

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