Lanthanum, cerium, ytterbium, lutecium, yttrium and their oxides. Chemical-spectral method of determination of impurities in oxides of rare earth elements

Norma vydána dne 1.1.1981

Neodymium, gadolinium, terbium, holmium, erbium, thulium and their oxides. Chemical-spectral method of determination of impurities in oxides of rare-earth elements

Norma vydána dne 1.1.1981

Wood chemical products. Methods for determination of the softening temperature

Norma vydána dne 1.1.1981

Condenser sealed bushings for nominal voltages from 110 V and higher. Types and sizes

Norma vydána dne 1.1.1982

Single-seated, bouble seated and cage control valves. Basic parameters

Norma vydána dne 1.1.1989

Superconductor materials. Terms and definitions

Norma vydána dne 1.1.1981

Steel ropes. Method of endurance test

Norma vydána dne 1.1.1982

Weldability of steels. Test method for evalution of fusion welding effect on parent metal

Norma vydána dne 1.1.1981

Transformers multifunctional electronic and magnetic. Terms and definitions

Norma vydána dne 1.1.1981

Electromagnetic compatibility of radio-electronic equipment. Nomenclature of parameters and technical data classification

Norma vydána dne 1.1.1981