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GOST 31285-2005
Chrysotile asbestos. Method for determination of fractional composition and foreign matters content on the testing machine
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€10
GOST 147-2013
Solid mineral fuel. Determination of gross calorific value and calculation of net calorific value
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€10
GOST 14047.10-78
Lead concentrates. Determination of silicon dioxide. Photometric and gravimetric methods
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€10