Spesjale Samples Jun hot plaat koper gaas koper sheet spot welding sample Magnetron koper enamelled coil terminal spot welding sample Spot welding sample fan koper gaas fan mobile telefoan unifoarm temperatuer plaat Spot welding sample fan koper tried foar mobile telefoan waarmte piip Spot welding sample fan mobile telefoan soaking plaat nozzle Stainless stiel damp keamer spot welding sample Vapor spot welding sample VC unifoarm temperatuer plaat kraan sealing spot welding sample VC damp keamer koper sheet spot welding sample