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发明名称
Improvements in and relating to electric control systems for lifts
摘要
申请公布号
GB780716(A)
申请公布日期
1957.08.07
申请号
GB19540010101
申请日期
1954.04.06
申请人
THE BRITISH THOMSON-HOUSTON COMPANY LIMITED
发明人
SPENCE WILLIAM
分类号
B66B1/12
主分类号
B66B1/12
代理机构
代理人
主权项
地址
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