Means for distributing elevator service according to demand,申请号US19540411434-传众专利搜索

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发明名称	Means for distributing elevator service according to demand
摘要
申请公布号	US2771160(A)	申请公布日期	1956.11.20
申请号	US19540411434	申请日期	1954.02.19
申请人	HAUGHTON ELEVATOR COMPANY	发明人	BORDEN JOSEPH H.;VLASAK EDWARD F.
分类号	B66B1/18;B66B1/22	主分类号	B66B1/18
代理机构		代理人
主权项
地址

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