作废 JB/T 8214.2-1999
QDZ气动单元组合仪表 继动器 QDZ气动单元组合仪表 继动器 QDZ process pneumatic control system Relay
发布日期:1999-08-06
实施日期:2000-01-01
分类信息
标准简介

本标准规定了QDZ气动单元组合仪表QFT型继动器的型式与基本参数、技术性能指标和要求、试验方法及评定方法,适用于QDZ气动单元组合仪表QFT型继动器

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仪表单元继动器QDZ

最后更新时间 2025-08-30