Russian standards
Objective lenses. Method of measuring the focal length
Document status: Active
Fixed and variable vacuum capacitors. General specifications
Document status: Active
Cable releases for still camera shutters. Specifications
Document status: Active
Information and communication technologies in education. Integrated automated control system general education. General regulations
Document status: Active
Field-effect transistors. Drain current for Vgs=0 impulse measurement technique
Document status: Active
Toolmaker`s microscopes. Types, main parameters and dimensions. Technical requirements
Document status: Active