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GOST 23463-79
High purity graphite powder. Technical specifications
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€10
GOST 28508-90
Vegetable tanning extracts. Methods of determination
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€10
GOST 26028-83
Dark-coloured raw material for surfactants. Method of determination of an acid value
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€10
GOST 612-75
Reagents. Manganese chloride 4-aqueous. Specifications
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€10