Noise abating and traction improving elevator sheave,申请号US19640350999-传众专利搜索

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发明名称	Noise abating and traction improving elevator sheave
摘要
申请公布号	US3279762(A)	申请公布日期	1966.10.18
申请号	US19640350999	申请日期	1964.03.11
申请人	OTIS ELEVATOR COMPANY	发明人	BRUNS WILLIAM HENRY
分类号	B66D3/06;F16H55/50	主分类号	B66D3/06
代理机构		代理人
主权项
地址

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