Improvements in or relating to ventilator and chimney cowls,申请号GB19560015104-传众专利搜索

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发明名称	Improvements in or relating to ventilator and chimney cowls
摘要
申请公布号	GB806319(A)	申请公布日期	1958.12.23
申请号	GB19560015104	申请日期	1956.05.15
申请人	OSWALD DORRINGTON NIBLETT	发明人
分类号	F23L17/02	主分类号	F23L17/02
代理机构		代理人
主权项
地址

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