发明名称 Insulating tubeless transformer
摘要 An insulating tubeless transformer, by using special winding tubings to achieve the safety requirement and automatic winding without using insulating tubes or other insulation materials, has the advantages of saving material, space reduction and automatic winding.
申请公布号 US4891620(A) 申请公布日期 1990.01.02
申请号 US19880222926 申请日期 1988.07.22
申请人 CHENG, BRUCE C. H. 发明人 CHENG, BRUCE C. H.
分类号 H01F27/30 主分类号 H01F27/30
代理机构 代理人
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