TRAFAG压力开关9B4.4279.771.04.46PST4B3.449B4.4274.769.04.46.V3PST4B649B4.4277.770.04.46.V3TRAFAG压力开关PST4B1649B4.4279.771.04.46.V3PST4B2549B4.4280.772.04.46.V3PST4B4049B4.4281.772.04.46.V3PST4B3.4F49B4.4274.769.04.11.46.74.V3TRAFAG压力开关PST4B6F49B4.4277.770.04.11.46.74.V3PST4B16F49B4.4279.771.04.11.46.74.V3PST4B25F49B4.4280.772.04.11.46.74.V3PST4B40F49B4.4281.772.04.11.46.74.V3PST4D249D4.2877.770.04.15.46.V3PST4D549D4.2878.771.04.15.46.V3PSTK1649K0.2079.756.04.15.58.V3TRAFAG压力开关PSTK4049K0.2081.757.04.15.58.V3PSTK10049K0.2083.758.04.15.58.V3PSTK25049K0.2085.759.04.15.58.V3PSTK40049K0.2086.759.04.15.58.V3TRAFAG压力开关PSTK16F49K0.2079.756.04.11.15.58.74.V3PSTK40F49K0.2081.757.04.11.15.58.74.V3PSTK100F49K0.2083.758.04.11.15.58.74.V3PSTK250F49K0.2085.759.04.11.15.58.74.V3瑞士TRAFAG温度传感器PT100L12TRAFAG压力开关9B4.4279.771.04.46、)