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GOST 23862.18-79
Neodymium, gadolinium and their oxides. Method of determination of rare-earth element oxides
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€10
GOST 32601-2022
Centrifugal pumps for petroleum, petrochemical and natural gas industries. General technical requirements
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€10
GOST 31641-2012
Vodkas and special vodkas. Ion chromatography method for determination of silicates
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€10