Improvements in or relating to gas burners for gas-fired tubular boilers and heaters,申请号GB19370004162-传众专利搜索

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发明名称	Improvements in or relating to gas burners for gas-fired tubular boilers and heaters
摘要
申请公布号	GB490370(A)	申请公布日期	1938.08.12
申请号	GB19370004162	申请日期	1937.02.12
申请人	NORMAN GRATER	发明人
分类号	F23D14/00	主分类号	F23D14/00
代理机构		代理人
主权项
地址

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