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发明名称
Improvements in and relating to high speed drives
摘要
申请公布号
GB347900(A)
申请公布日期
1931.05.07
申请号
GB19300014984
申请日期
1930.05.15
申请人
INTERNATIONAL GENERAL ELECTRIC COMPANY INCORPORATED
发明人
分类号
B04B9/12
主分类号
B04B9/12
代理机构
代理人
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地址
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