GOST 28072-89

Cork. Visual anomalies of cork stoppers for still wines

Admixtures for concretes and mortars. Determination and estimate of the efficiency

Parchment

Occupational safety standards system. Protective clothing against liquid and gaseous chemicals, including liquid aerosols and solid particles. Part 1. Performance requirements for ventilated and non-ventilated 'gas-tight' (Type 1) and 'non-gas-tight' (Type 2) chemical protective suits

Star-type internal socket button for bolts and screws

Cupro-nickel tubes for heat-exchanging apparatus. Specifications