Improvements in gas-making retort furnaces,申请号GB19470001963-传众专利搜索

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发明名称	Improvements in gas-making retort furnaces
摘要
申请公布号	GB628629(A)	申请公布日期	1949.09.01
申请号	GB19470001963	申请日期	1947.01.22
申请人	HARRY HULM	发明人
分类号	C10B33/02	主分类号	C10B33/02
代理机构		代理人
主权项
地址

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