Improvements in or relating to sulphur trioxide,申请号GB19490029184-传众专利搜索

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发明名称	Improvements in or relating to sulphur trioxide
摘要
申请公布号	GB669214(A)	申请公布日期	1952.03.26
申请号	GB19490029184	申请日期	1949.11.15
申请人	THE NATIONAL SMELTING COMPANY LIMITED;CHRISTOPHER FREDERIC PETER BEVINGTON;JOHN LIONEL PEGLER	发明人
分类号	C01B17/70	主分类号	C01B17/70
代理机构		代理人
主权项
地址

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