Electromagnetic multipurpose relays of MKU type
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Electromagnetic Relays of the RKMP type
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Electromagnetic Relays of the RKMP type
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Facsimile apparatus. Types
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Radio channels of automatic telegraph communication. The main parameters. General technical requirements
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Radio channels of automatic telegraph communication. The main parameters. General technical requirements
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Protection of subscribers and installations of wire broadcasting from dangerous voltages and currents arising in the lines of radio transmission networks
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Protection circuits from dangerous voltages and currents arising at lines of wire broadcasting. General requirements and rules
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Telegraph devices, letter-type starting-stop, five-element stroke. The main parameters
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5-element code start-stop page printing apparatus. The main parameters. General technical requirements
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Baudot code start-stop apparatuses for alphabetic telegraphy
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Electro thermal time relays. General specifications
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