NATURAL DRAUGHT DRY COOLING TOWERS,申请号USD3474855-传众专利搜索

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发明名称	NATURAL DRAUGHT DRY COOLING TOWERS
摘要
申请公布号	US3474855(A)	申请公布日期	1969.10.28
申请号	USD3474855	申请日期	1966.12.12
申请人	ENGLISH ELECTRIC CO. LTD.:THE	发明人	JOHN CALDWELL
分类号	F28B1/06;(IPC1-7):F24H3/00;F24B1/06;F28F13/12	主分类号	F28B1/06
代理机构		代理人
主权项
地址

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