Elevator signal system,申请号US19320615198-传众专利搜索

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发明名称	Elevator signal system
摘要
申请公布号	US2039479(A)	申请公布日期	1936.05.05
申请号	US19320615198	申请日期	1932.06.03
申请人	THE W. S. TYLER COMPANY	发明人	FARCH MOGENS N.
分类号	B66B3/00	主分类号	B66B3/00
代理机构		代理人
主权项
地址

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