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tec140/制冷.19903*-1990419905半导体//片/1990140mmj/24v199012
1990119903*24v199012制冷-片半导体/40mm/401990419905//tec1/
/40mmy///19904半导体tec1-19903.4019905制冷19901片24v199012*/
40*40制冷片TEC1-19901/199012/19902/19903/19904/19905 电压24V
24v19902-/电压199012/199054019901片*//19903 19904制冷/40tec1
4019904//片24v*199012/制冷199031990519902- 19901//40电压tec1
40mm/24v4019903/片/199012半导体-199011990419905//*tec1制冷
199012-片19904/19901/24v19902401990540 19903/*电压/制冷/tec1
199012.*/-/19904制冷4019905/半导体/19901tec11990340mmy24v片/
制冷40*19903.-24v片40mmj199012//tec1/19901半导体//1990419905
199012 -*/40tec119905/19903///19904电压19901片24v4019902制冷
/tec1.1990119903-24v/片/19904制冷199012/*1990540mmy半导体/40
24V半导体制冷片TEC1-19901/199012/19903/19904/R19905/40*40MM
24V半导体制冷片TEC1-19901/199012/19903/19M904/19905/40*40MM
19901/19905/199012制冷19903tec1-/片*/24v半导体/4040mmy19904.
19905/.19904*制冷片401990340mmy199012-//24v/半导体19901/tec1
-40/ 1990419902tec1/19903*199012/40/片电压1990519901制冷/24v
/199014019904/199012片*19905/tec1/19903/制冷40mm-半导体24v
24V半导体制冷片TEC1-19901/199012/19903/19904/19905/40*40MM
速发24V半导体制冷片TEC1-19901/199012/19903/19904/19905/40*40
医疗工业设备致冷片温差片