An automatic mechanism for supporting a ladder on an inclined or uneven surface,申请号GB20030027697-传众专利搜索

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发明名称	An automatic mechanism for supporting a ladder on an inclined or uneven surface
摘要
申请公布号	GB0327697(D0)	申请公布日期	2003.12.31
申请号	GB20030027697	申请日期	2003.11.27
申请人	HERON, ROGER A	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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