Powered stair climber,申请号US19560562999-传众专利搜索

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法人/股东/高管

发明名称	Powered stair climber
摘要
申请公布号	US2856015(A)	申请公布日期	1958.10.14
申请号	US19560562999	申请日期	1956.02.02
申请人	STEFAN RUSSELL O	发明人	STEFAN RUSSELL O.
分类号	B62B5/02	主分类号	B62B5/02
代理机构		代理人
主权项
地址

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