Escalera con ruedas anterores retráctiles,申请号ES19720000874U-传众专利搜索

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发明名称	Escalera con ruedas anterores retráctiles
摘要
申请公布号	ES87472(U)	申请公布日期	1961.07.01
申请号	ES19720000874U	申请日期	1961.05.30
申请人	FERNÁNDEZ LADRUZ, SANTIAGO	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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