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经营范围
发明名称
ELEVATOR SYSTEM
摘要
申请公布号
GB2089526(B)
申请公布日期
1984.03.21
申请号
GB19810036283
申请日期
1981.12.02
申请人
WEC
发明人
分类号
G10L13/00;B66B3/00;(IPC1-7):B66B3/00
主分类号
G10L13/00
代理机构
代理人
主权项
地址
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