Improvements in or relating to valves for controlling the flow of fluids and powdered materials,申请号GB19520015207-传众专利搜索

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发明名称	Improvements in or relating to valves for controlling the flow of fluids and powdered materials
摘要
申请公布号	GB706158(A)	申请公布日期	1954.03.24
申请号	GB19520015207	申请日期	1952.06.17
申请人	SPECIALTIES DEVELOPMENT CORPORATION	发明人
分类号	F16K1/38	主分类号	F16K1/38
代理机构		代理人
主权项
地址

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