Rubber O-rings for the couplings of the asbestos-concrete pipes. Specifications
Document status: Active
Steel and alloys. Methods for detection and determination of grain size
Document status: Active
Sand for cement testing. Specifications
Document status: Replaced by GOST 6139-2020
State system for ensuring the uniformity of measurements. Standard platinum resistance thermometers of the first and second grades. Methods of calibration
Document status: Active
