Improvements in or relating to stop cocks with spring closed valves for fuel gases,申请号GB19540013336-传众专利搜索

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发明名称	Improvements in or relating to stop cocks with spring closed valves for fuel gases
摘要
申请公布号	GB766458(A)	申请公布日期	1957.01.23
申请号	GB19540013336	申请日期	1954.05.07
申请人	DOUGLAS ARNOLD COATES	发明人
分类号	F16K31/524;F24C3/12	主分类号	F16K31/524
代理机构		代理人
主权项
地址

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