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Macherey-Nagel was founded in 1911 in Düren as a specialist manufacturer of filter papers. Since that time, we have evolved into an innovative international company for chemical and biomolecular analysis. MACHEREY-NAGEL stands for innovative and ...

Sierra Instruments is a global leader in fluid flow measurement and control for nearly 40 years and is known for its high performance flow instrumentation for gas, liquid and steam applications commonly found in the semiconductor, environmental, ...