Russian standards PDF
Synthetic detergents. Method for determination of whitening ability
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Synthetic detergents. Method for determination of mass percentage phosphates
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Synthetic detergents. Method for determination of mass percentage sodium carbonate or sodium bicarbonate
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Nickel and low nickel base alloys. Method of determination of oxygen
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Box and case locks and triggers for special equipment of automobile refuelling and transportation of fuel means. Types, construction and dimensions
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