9 Years
Automatic Resonance Handheld Ultrasonic Spot Welding Machine 35Khz ± 1KHz Specifications: Model HS-40 HS-35 HS-30 HS-28 HS-20 Frequency 40khz 35khz 30khz 28khz 20khz Power 500W 500~800w 500~800w 500...
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