Improvements in or relating to opening and closing mechanism for roof ventilators, particularly for use in glass houses,申请号GB19490013814-传众专利搜索

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发明名称	Improvements in or relating to opening and closing mechanism for roof ventilators, particularly for use in glass houses
摘要
申请公布号	GB673081(A)	申请公布日期	1952.06.04
申请号	GB19490013814	申请日期	1949.05.24
申请人	DUNCAN TUCKER, (TOTTENHAM) LIMITED;WILLIAM DUNCAN TUCKER JUNIOR	发明人
分类号	E05F11/24	主分类号	E05F11/24
代理机构		代理人
主权项
地址

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