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经营范围
发明名称
Umlaufender Frequenzminderer zur Speisung von Magnetmotoren
摘要
申请公布号
DE721238(C)
申请公布日期
1942.05.30
申请号
DE1938S134561D
申请日期
1938.11.09
申请人
S.I.M.B.I. SOCIETA ANONIMA
发明人
MACCHIONI PIETRO AURELIO
分类号
H01H3/00
主分类号
H01H3/00
代理机构
代理人
主权项
地址
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