Improvements in or relating to water heaters,申请号GB19500017243-传众专利搜索

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发明名称	Improvements in or relating to water heaters
摘要
申请公布号	GB670939(A)	申请公布日期	1952.04.30
申请号	GB19500017243	申请日期	1950.07.10
申请人	WILLIAM JOHN MERIFIELD	发明人
分类号	F24D17/00;F24H9/06	主分类号	F24D17/00
代理机构		代理人
主权项
地址

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