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The method of research of digital levels. Field research of the measuring system "Digital (electronic) level – levelling rods with a code scale"
Document status: Active
Cross recesses for screws and wood screws. Dimensions and control methods
Document status: Active
Copper tubing for waveguides and brass right angle tubes. Specifications
Document status: Active
Microclimate systems. Assessment of the energy efficiency of the heating and ventilation systems
Document status: Active
Buckwheat for grouts manufacturing. Specifications
Document status: Replaced by GOST 19092-92
