GOST R 56791-2015 Polymer composites. Determination of mechanical characteristics of shear of the inner layer of sandwich constructions by beam flexure
GOST R 56762-2015 Polymer composites. Methods for determination of moisture absorption and equilibrium conditioning
GOST R 56791-2015 history
2015GOST R 56791-2015 Polymer composites. Determination of mechanical characteristics of shear of the inner layer of sandwich constructions by beam flexure