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Hot-rolled steel I-beams with parallel edges of flanges. Specifications
Document status: Active
Selenium. Method of mercury determination
Document status: Replaced by GOST 20996.11-2015
Hard coal and coke. Mechanical sampling. Part 2. Coal. Sampling from moving streams
Document status: Active
System engineering. Protection of information in system measurement process
Document status: Active
Workplace air. General requirements for the performance of procedures for the measurement of chemical agents
Document status: Active