Self adjustable handrail drive with separate drive chains,申请号US19900550926-传众专利搜索

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发明名称	Self adjustable handrail drive with separate drive chains
摘要
申请公布号	US5062520(A)	申请公布日期	1991.11.05
申请号	US19900550926	申请日期	1990.07.11
申请人	OTIS ELEVATOR COMPANY	发明人	NGUYEN, DAT;SANSEVERO, FRANK;JOHNSON, GERALD E.;RIVERA, JAMES A.
分类号	B66B23/04	主分类号	B66B23/04
代理机构		代理人
主权项
地址

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