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发明名称
Improvements in or relating to ward-leonard control systems
摘要
申请公布号
GB415568(A)
申请公布日期
1934.08.30
申请号
GB19330020830
申请日期
1933.07.24
申请人
RHEINISCHE METALLWAAREN-UND MASCHINENFABRIK
发明人
分类号
H02P7/34
主分类号
H02P7/34
代理机构
代理人
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