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2016/09
18
Speaker sound cone increase after coating on its properties ...[abstract] this article is to study using the sound basin of special coating material on the surface of loudspeader basin after coating, the objective... -
2016/05
17
A regulating speaker unit 2, 3, the method of harmonic disto...Abstract: this paper discusses a kind of through the use of the means of timbre regulator to adjust the cone speaker unit 2, 3 times the method of har... -
2016/05
17
Shi Yun electronic design patentsThe company design after preliminary examination of the patent law of the People's Republic of China, decision granted a patent right, patent of appea...
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