PNST 503-2020

Unified system of corrosion and ageing protection. Vulcanized rubbers. Method of ageing resistance testing under weather conditions

Rehabilitation of invalids. Special hardware of establishments service rehabilitation of invalids

Ergonomics of the thermal environment. Principles and application of relevant international standards

Petroleum products. Transparent and opaque liquids. Determination of kinematic viscosity and calculation of dynamic viscosity

Electronic data interchange for administration, commerce and transport (EDIFACT). Application level syntax rules (Syntax version number: 4, Syntax release number: 1). Part 5: Security rules for batch EDI (authenticity, integrity and non-repudiation of origin)

Glass fibre. Terms and definitions