n120 – dis venturi vacuum pump / single-stage / lubricated

真空泵(干式) pump vacuum dry ドライ真空ポンプ dop-40d

roots rotary-lobe vacuum pump / two-stage / lubricated

hena 25 rotary vane vacuum pump / single-stage / lubricated

rz 6 fo vs 16 rotary vane vacuum pump / two-stage / lubricated

【vacuum pump 3cfm/4cfm真空泵1升/2升/3升/4升小型真空泵 制冷维修

hbs factory anti backflow vacuum pump 4.8cfm /2升真空泵

电动高真空空气真空泵 - buy dry vacuum pump,high vacuum pump

10 s series rotary vane vacuum pump / single-stage / dry