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Photography. Determination of ISO safelight conditions
Document status: Active
35-mm motion-picture film. Dimensions and methods of control
Document status: Active
External circuits for terminals document communication. Types and basic parameters
Document status: Active
Semiconductor microwave varactors and multiplier diodes. Methods of measuring time constant and limiting frequency
Document status: Active
Signal-conversion equipment for radio voice-frequency channels. Types and basic parameters
Document status: Withdrawn
Informational ensuring of equipment and operational activity. Language of operation activity. General principles of application
Document status: Active