Motor driven stair climbing hand truck,申请号US19500181611-传众专利搜索

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发明名称	Motor driven stair climbing hand truck
摘要
申请公布号	US2740484(A)	申请公布日期	1956.04.03
申请号	US19500181611	申请日期	1950.08.26
申请人	JAMES MONTANA	发明人	MONTANA JAMES
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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