GOST 26411-85

State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments the ultrasound velocity in solids

State system for ensuring the uniformity of measurements. Secondary standards of the units of length, velocity and acceleration by vibration of a solid body. Technique of comparisons

Hexabits for coastal protection and breakwater constructions. Specifications

Buildings and constructions of timber structures. Reguirements to system of computer-aided design

Raw silk. Specifications

Heat soaked thermally toughened glass. Evaluation of conformity