| 摘要 |
PROBLEM TO BE SOLVED: To provide a negative ion-generator for vehicles by which a vehicle rider can recognize the effect of negative ion. SOLUTION: This negative ion-generator for vehicles generates negative ion by an electron-emitting system. In such a negative ion-generator, as soon as the operation of the negative ion-generator is started, a fragrance is generated by a fragrance-generator. Thus, the generation of negative ion is recognized by the vehicle rider. COPYRIGHT: (C)2004,JPO
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