ساخت کوره القایی ، بابرد لامپ های کم مصرف

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Technique
Technique
The healthy board of the low-consumption lamp with more wattage and 8/.mm copper wire should be wrapped 11 times around the tran ...
The healthy board of the low-consumption lamp with more wattage and 8/.mm copper wire should be wrapped 11 times around the transformer.

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