GOST 4069-69

Alloys and foundry alloys of rare metals. Methods for determination of niobium

State system for ensuring the uniformity of measurements. Ferritometers for austenite steel. Methods of verification

Electromagnetic compatibility of technical equipment. Angle modulated personal use radio equipment operating in frequency band 26965 kHz - 27860 kHz. Requirements and test methods

High power radio frequency connectors. Basic parameters and technical requirements. Methods of tests and measurements

Conformity assessment. Procedure for mandatory confirmation of product conformity to requirements of the Technical Regulation of the Customs Union 'On safety of the equipment for operation in explosive atmospheres'

Management and command/control systems for suburban railway passenger transport. Construction principles and general functional requirements