An improved device for use in opening and closing fanlights, windows and the like and securing them in open or closed positions,申请号GB19330017236-传众专利搜索

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发明名称	An improved device for use in opening and closing fanlights, windows and the like and securing them in open or closed positions
摘要
申请公布号	GB421135(A)	申请公布日期	1934.12.14
申请号	GB19330017236	申请日期	1933.06.16
申请人	ANDREW BAXTER LEVEN	发明人
分类号	E05F11/34	主分类号	E05F11/34
代理机构		代理人
主权项
地址

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