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经营范围
发明名称
Improvements in or relating to the ventilation of rotary electric machines
摘要
申请公布号
GB772973(A)
申请公布日期
1957.04.17
申请号
GB19550022176
申请日期
1955.08.02
申请人
PARVEX
发明人
分类号
H02K9/06
主分类号
H02K9/06
代理机构
代理人
主权项
地址
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