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Welcome to D.R. Sperry & Company, the premier manufacturer of high-quality filter presses for over 150 years. Our filter presses are used by a wide range of industries, including food and beverage, mining, chemical, pharmaceutical, and more. At D.R. ...

Advanced Technical Services GmbH has over 40 years experience in the fields of photonics and opto-electronics, with particular emphasis on optical emission spectroscopy and optical fluorescence spectroscopy. The expertise gained over years of field ...