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经营范围
发明名称
Modernization of hydraulic elevators
摘要
申请公布号
GB0404431(D0)
申请公布日期
2004.03.31
申请号
GB20040004431
申请日期
2002.11.05
申请人
OTIS ELEVATOR COMPANY
发明人
分类号
B66B9/00;B66B11/00
主分类号
B66B9/00
代理机构
代理人
主权项
地址
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