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发明名称
Improvements relating to the control of electric lift motors
摘要
申请公布号
GB847647(A)
申请公布日期
1960.09.14
申请号
GB19560007949
申请日期
1956.03.14
申请人
WM. WADSWORTH & SONS LIMITED
发明人
RYDER ANTHONY DAVID
分类号
B66B1/06;B66B1/46
主分类号
B66B1/06
代理机构
代理人
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