GOST
Reprography. Micrography. Numerical designation for microfilms
Document status: Active
Reprography. Micrography. Boxes for microfilm in roll. Main sizes and technical requirements
Document status: Active
Reprography. Micrography. Envelopes for microfiches. Basic dimensions and technical requirements
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Fixed and variable vacuum capacitor. Series of rated capacitance voltage and current
Document status: Active
Cathode-ray receiver devices. Method for measurement of irregularity fluorescent screen brightness
Document status: Active