Russian standards PDF
GOST 17644-83
Turf. Methods of sampling from deposit and preparation of samples for laboratory tests
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€10
GOST 17766-72
Threaded ring-gauges with incomplete form of thread of diameters from 105 to 300 mm. Design and basic dimensions
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€10
GOST 18184.5-79
Niobium pentoxide. Methods for the determination of oxides, aluminium, calcium and iron, of dioxides silicon and titanium
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€10