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2000-01-12
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2000-12-21
Improved structure of transformer iron core inserting machine
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Improved magnetic coil former
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2001-04-11
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Improved structure of iron core for small inductor
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Improved iron core structure of reactor
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2001-03-11
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2002-04-01
Flyback transformer having iron core grounding function
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2001-01-21
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Improved structure of combined iron core coil
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Improved transformer iron core structure
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Structure of iron powder core
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2000-10-11
Core clamping structure of power distribution transformer
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2002-10-21
Shielding structure of transformer iron core
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2001-11-01
Improved magnetic core structure of inductor
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Improvement of transformer
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Magnetic core structure of inverter
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Improved structure for combining the iron core and copper lid of a speaker
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Forming structure of transformer core
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2001-05-28
Improved automation structure of transformer manufacturing machine
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2001-02-11
Iron core insulation structure