Russian standards
Television magnifying aids equipment. General specification
Document status: Active
Photographic black-white negative films. Specification
Document status: Active
Photography. Photographic lenses. Distance scale markings
Document status: Active
Application of risk management for IT-networks incorporating medical devices. Part 2-3. Guidance for wireless networks
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Image intensifier and image converter tubes. Method of measuring the low light level limiting resolution
Document status: Active