Digital data transmission-Character structure for start/stop and synchronous transmission
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Digital data transmission-Method for use of longitudinal parity to detect errors in information messages
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Digital data transmission-Basic mode control procedures. Code independent information transfer
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Digital data transmission assignment of connector pin numbers for interchange circuits between data terminal equipment and data communication equipment
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Digital data transmission-Complements to the basic mode control procedures; recovery, abort and interrupt, multiple station selection
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Digital data transmission-Basic mode control procedures; conversational information message transer
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Digital data transmission-Specification for 37-pin and 9-pin DTE/DCE interface connectors and pin assignments
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Digital data transmission-Specification for 15-pin DTE/DCE interface connector and pin assignments
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Thermally insulated underground pipelines-General requirements for cased systems without air gap
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