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GOST R 50003-92
Surface active agents. Determination of surface tension by drawing up liquid films
Document status: Active
€10
GOST 13078-81
Sodium silicate solute. Specifications
Document status: Replaced by GOST 13078-2021
€10
GOST 11623-89
Peat and products of its processing for agriculture. Methods for the determination of exchange and active acidity
Document status: Active
€10
