H&R Wasag AG
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Founded in 1965, Sefelec is part of the Martek Power Group, a world leader of measurement and power conversion equipment (dc/dc converters, custom power supplies, COTS power supplies). Sefelec has now become a reference in the field of electrical saf
In the german chromatography market amchro GmbH is wellknown since 1986. Columns for GC and HPLC, SPE-cartriges, standards, autosamplervials,a broad selection of accessories for GC and HPLC.