GOST ISO 15236-4-2017

Group I, equipment protection level Ma intended to remain functional in atmosphere endangered by firedamp and/or coal dust

Informational ensuring of equipment and operational activity. System «man-information». Lingvoculturology support for the implementation of information activities

State system for ensuring the uniformity of measurements. Slotted lines. Methods and means for verification

Agricultural machinery. Low-channel section. Dimensions

Electrical apparatus for explosive gas atmospheres. Part 1. Construction and verification test of flameproof enclosures of electrical apparatus. First supplement. Appendix D. Method of test for ascertainment of maximum experimental safe gap

Petroleum and natural gas industry. Subsea production systems. Technical documentation. Methodology guide