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Marine engines and propulsion systems (55)
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Materials and articles in contact with foodstuffs (44)
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Measurement of electrical and magnetic quantities (134)
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Measurement of volume, mass, density, viscosity (369)
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Mechanical testing of metals (617)
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Metallurgy (Vocabularies) (169)
Metrology and measurement in general (114)
Metrology and measurement. Physical phenomena (Vocabularies) (116)
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Packaging and distribution of goods in general (161)
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