Permanent magnetism type electromagnet

A permanent magnet type electromagnet composed of a support movable arm coil permanent magnet and a controller is provided which has closed magnet system and is made of ordinary iron plate. The invention, which consumes little amount of iron wire and copper wire, ensures light weight, small size and...

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Bibliographische Detailangaben
1. Verfasser: YE JINLAI
Format: Patent
Sprache:chi ; eng
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