Direct acting indicating analogue electrical measuring instruments and their accessories. Part 1: Definitions and general requirements common to all parts— 71 стр.
Assembly tools for screws and nuts -- Hand torque tools -- Requirements and test methods for design conformance testing, quality conformance testing and recalibration procedure— 22 стр.
Soil quality -- Determination of effective cation exchange capacity (CEC) and exchangeable cations using a hexamminecobalt trichloride solution— 22 стр.