DIN 12876-1
Electrical laboratory devices - Laboratory circulators and baths - Part 1: Terms and classification
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DIN 12876-2
Electrical laboratory devices - Laboratory circulators and baths - Part 2: Determination of ratings of heating and refrigerated circulators
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DIN 12876-3
Electrical laboratory devices - Laboratory circulators and baths - Part 3: Determination of ratings of laboratory baths
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