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发明名称
Methods and devices for surveying elevator hoistways
摘要
申请公布号
GB2468087(B)
申请公布日期
2012.06.20
申请号
GB20100010534
申请日期
2007.12.07
申请人
OTIS ELEVATOR COMPANY
发明人
MINGLUN QIU
分类号
B66B19/00;B66B7/00;G01B11/14;G01B17/00
主分类号
B66B19/00
代理机构
代理人
主权项
地址
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