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专利名称：Variable frequency controller发明人：Scott, Junius D.,Gotal, John D.申请号：EP84104944申请日：19840503公开号：EP0131102A3公开日：19850522
专利附图：
摘要：The invention pertains to a frequency divider and phase control for anelectromagnetic feeder having a coil operable from a single phase alternating currentsource, comprising:
申请人：FMC CORPORATION
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