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发明名称
ESCALATOR SERVICE SPEED CONTROL
摘要
申请公布号
GB2175761(B)
申请公布日期
1989.08.02
申请号
GB19860012845
申请日期
1986.05.27
申请人
* OTIS ELEVATOR COMPANY
发明人
DIETRICH E * HERRMANN
分类号
B66B31/00;B66B25/00
主分类号
B66B31/00
代理机构
代理人
主权项
地址
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