![]() DTV-CSI interface specification for channel separation of digital teleVISion receiver Part 1: Technical specification 数字电视接收设备机道分离DTV-CSI接口规范 第1部分:技术规范 |
![]() DTV-CSI interface specification for channel separation of digital teleVISion receiver Part 2: Test specification 数字电视接收设备机道分离DTV-CSI接口规范 第2部分:测试规范 |
![]() Electrical safety of machinery - Indication, marking and actuation - Part 1: Requirements for VISual, acoustic and tactile signals 机械电气安全 指示、标志和操作 第1部分:关于视觉、听觉和触觉信号的要求 |
![]() Determination of urea - Part 8: Sulphate content - VISible turbidimetric method 尿素的测定方法 第8部分:硫酸盐含量 目视比浊法 |
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