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Materials and articles in contact with foodstuffs (44)
Materials and components for railway engineering (27)
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Measurement of electrical and magnetic quantities (134)
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Measurement of volume, mass, density, viscosity (381)
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Mechanical systems and components for general use (Vocabularies) (51)
Mechanical testing of metals (617)
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Metrology and measurement in general (114)
Metrology and measurement. Physical phenomena (Vocabularies) (118)
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Packaging and distribution of goods in general (161)
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