Trap door for a loft,申请号GB19830011230-传众专利搜索

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发明名称	Trap door for a loft
摘要
申请公布号	GB2119001(A)	申请公布日期	1983.11.09
申请号	GB19830011230	申请日期	1983.04.25
申请人	HENRY JOSEPH * ROBERTS	发明人	HENRY JOSEPH * ROBERTS
分类号	E06B5/01;(IPC1-7):E06B5/01	主分类号	E06B5/01
代理机构		代理人
主权项
地址

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