GOST R 56681-2015 Polymer composites. Determination of mechanical characteristics by compression of unidirectional reinforcement materials by four-point bending of sandwich beam
GOST 7338-1990 Rubber and rubber-fabric sheets. Specifications
GOST R 56681-2015 history
2015GOST R 56681-2015 Polymer composites. Determination of mechanical characteristics by compression of unidirectional reinforcement materials by four-point bending of sandwich beam