GOST 4255-75

Tourist services, provided on specific protected natural areas. Requirements

Rubber. Methods of carbon black content determination

Seals. Requirements for test methods of locking system reliability and resistance to unauthorized access

State system for ensuring the uniformity of measurements. Standard reference data. Silicide of vanadium. The lattice parameters in the concentration range from 20 at.% to 25 at.% of silicon. Coefficient of linear thermal expansion in the range from 20 K up to 300 K

Microwave intrusion detectors for perimeters. General technical requirements and test methods

Reagents. Silver nitrate. Specifications