Moving stairway panelling,申请号US19520319493-传众专利搜索

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发明名称	Moving stairway panelling
摘要
申请公布号	US2785286(A)	申请公布日期	1957.03.12
申请号	US19520319493	申请日期	1952.11.08
申请人	OTIS ELEVATOR COMPANY	发明人	LICHTGARN JAMES
分类号	B66B23/22	主分类号	B66B23/22
代理机构		代理人
主权项
地址

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