现行 JJG (邮电) 014-1992
电报信号测试仪器检定规程 电报信号测试仪器检定规程 Specification for verification of telegraph signal testing instruments
发布日期:
实施日期:1993-03-01
分类信息
标准简介

本规程适用于新生产,使用中和维修后的速率为50-300波特,崎变精度在士(0.5%--, 2%)范围内的各类电报信号测试仪器的检定.

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检定电报测试仪器信号

最后更新时间 2025-08-29