Laser welding machine: a popular joining technique between absorber sheet and pipe. Photo: Sunlaser Consulting GmbHRead More
Laser welding machine: a popular joining technique between absorber sheet and pipe. Photo: Sunlaser Consulting GmbHRead More
Different vacuum tube technologies in comparison: The full-glass vacuum tube can easily be recognised by the extended and closed top. Photo: Sven TetzlaffRead More
One of many regional fairs in China: the outdoor exhibition space in Zhengzhou, a city in Henan province Photo: Sven TetzlaffRead More
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