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'A SOUND ACTIVATED COIL DEVICE TO REDUCE AIR POLLUTION'
'A SOUND ACTIVATED COIL DEVICE TO REDUCE AIR POLLUTION'
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机译:“一种减少空气污染的有源线圈装置”
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摘要
This invention relates to a sound activated coil device to reduce air pollution comprising of at least three outer twisted coils of wire wound into circles symmetrically around the longitudinal axis of a central directional coil wherein said directional coil is located at the inter section of said outer circles.
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