GOST 27214-87

Information technology. Cryptographic data security. Modes of operation for block ciphers

Copper and complex ores, and products of their processing. Atomic emission spectrometry with inductively coupled plasma method for weight fraction measurement of copper, zinc, lead, bismuth, cadmium, arsenic, antimony

Electrical train cars. Specifications for carrying of invalids

White fluorescent lamp phosphor. Specification

Hardness testing machines for metals. General technical requirements

Products made of ferrites and magnetodielectrics. Terms and definitions