Russian standards PDF
GOST 21168-75
Machine bar centering vices with screw and prismatic jaws. Design and dimensions
Document status: Active
€10
GOST 21758-81
Motor vehicle maintenance and repair system. Determination of characteristics of maintainability during the tests
Document status: Active
€10
GOST 21815.19-90
Image intensifier and image converter tubes. Methods of measuring the signal-to-noise ratio
Document status: Active
€10