Occupational safety standards system. Web teleprinters. Permissible levels of noise characteristics and its control methods
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Keyboard of telegraph apparatus. General technical requirements
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Baudot code start-stop apparatuses for alphabetic telegraphy
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Test table 0159K-12 for facsimile devices
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Data transmission systems. Bit signalling rates and basic parameters of noise-immune cyclic codes
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Facsimile devices. Reliability test methods
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Data transmission systems. Iterated noise-immune codes. Code structure
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Data transmission equipment. Automatic calling equipment UAV-TLF. Types and basic parameters
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Apparatus telegraph start-stop, 5-element code. Methods of electric parameters measuring
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Printing teletypes for 5-elements code. Fonts. Symbols size and his contour
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Printing teletypes for 7-elements code. Basic parameters
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