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GB/T 15157.14-2007
频率低于3MHz的印制板连接器 第14部分: 音频、视频和音像设备用低音频及视频圆形连接器详细规范
Connectors for frequencies below 3 MHz for use with printed boards - Part 14: Detail specification for circular connectors for low-frequency audio and video applications such as audio, video and audio-visual equipment
GB/T 20432.7-2007
Photography - Photographic-grade chemicals - Test methods - Part 7: Determination alkalinity or acidity
GB/T 21000.2-2007
Commercial refrigerated cabinets - Test methods - Part 2: Test for accidental mechanical contact
GB/T 21000.1-2007
Commercial refrigerated cabinets - Methods of test - Part 1: General test conditions and temperature test
GB/T 21013-2007
Machine tools - Mounting of plain grinding wheels by means of hub flanges
GB/T 19371.2-2007
Determination of methionine hydroxy analogue in feeds - High-performance liquid chromatography