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发明名称
ELEVATOR TRAFFIC DEMAND DETECTOR
摘要
申请公布号
HK33380(A)
申请公布日期
1980.06.27
申请号
HK19800000333
申请日期
1980.06.19
申请人
HITACHI LTD
发明人
分类号
B66B1/06;B66B1/20;B66B1/24;B66B3/00;G06M7/00;G06M11/00;(IPC1-7):B66B1/20
主分类号
B66B1/06
代理机构
代理人
主权项
地址
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