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发明名称
SPEED DICTATION APPARATUS FOR ELEVATOR MOTOR CONTROL SYSTEM
摘要
申请公布号
GB1263875(A)
申请公布日期
1972.02.16
申请号
GB19700002798
申请日期
1970.01.20
申请人
OTIS ELEVATOR COMPANY
发明人
分类号
H02P27/02;B66B1/16;B66B1/24;B66B1/28;B66B1/30;B66B1/36;B66B1/40;B66B1/52;G05B19/02
主分类号
H02P27/02
代理机构
代理人
主权项
地址
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