A new or improved means for adjusting the feet of ladders, step ladders, pit props, scaffolding props, table legs, stools, and the like,申请号GB19490000866-传众专利搜索

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发明名称	A new or improved means for adjusting the feet of ladders, step ladders, pit props, scaffolding props, table legs, stools, and the like
摘要
申请公布号	GB656438(A)	申请公布日期	1951.08.22
申请号	GB19490000866	申请日期	1949.01.12
申请人	HAROLD LEOPOLD RINK;REGINALD FARRAN SPENCE	发明人
分类号	E06C7/44;E21D15/44	主分类号	E06C7/44
代理机构		代理人
主权项
地址

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