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GOST 30050-93

Petroleum products. Total base number. Perchloric acid potentiometric titration method

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€10
GOST 34001-2016

Means of initiation and transmission of detonation. Test methods for function and safety

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€10
GOST ISO 20623-2013

Petroleum and related products. Determination of the extreme-pressure and anti-wear properties of fluids on four ball machine (European conditions)

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GOST 14068-79

Paste VNII NP-232. Specifications

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€10
GOST 30240.1-95

Barite concentrate. Methods for determination of barium sulphate

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€10
GOST 4146-74

Reagents. Potassium persulphate. Specifications

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€10