Means for preheating the air supply to a gas producer,申请号US19300437184-传众专利搜索

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发明名称	Means for preheating the air supply to a gas producer
摘要
申请公布号	US1950825(A)	申请公布日期	1934.03.13
申请号	US19300437184	申请日期	1930.03.19
申请人	AXEL SVEDLUND	发明人	SVEDLUND AXEL
分类号	C10J3/80	主分类号	C10J3/80
代理机构		代理人
主权项
地址

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