Improvements in stop valves,申请号GB19560008864-传众专利搜索

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发明名称	Improvements in stop valves
摘要
申请公布号	GB802493(A)	申请公布日期	1958.10.08
申请号	GB19560008864	申请日期	1956.03.21
申请人	DEWRANCE & CO., LIMITED	发明人
分类号	F16K49/00	主分类号	F16K49/00
代理机构		代理人
主权项
地址

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