DIRECT-FIRED UNIT HEATER,申请号CAD459823-传众专利搜索

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发明名称	DIRECT-FIRED UNIT HEATER
摘要
申请公布号	CA459823(A)	申请公布日期	1949.09.20
申请号	CAD459823	申请日期
申请人	DRAVO CORPORATION	发明人	RALPH MACARTNEY RUSH
分类号		主分类号
代理机构		代理人
主权项
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