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经营范围
发明名称
MEANS FOR FREQUENCY CHANGING
摘要
申请公布号
CA780009(A)
申请公布日期
1968.03.05
申请号
CAD780009
申请日期
申请人
ALLMANNA SVENSKA ELEKTRISKA AKTIEBOLAGET
发明人
JARLE SLETBACK;LARS G. VIRSBERG;NILS HYLTEN-CAVALLIUS
分类号
主分类号
代理机构
代理人
主权项
地址
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