百检检测-材料检测中心-材料第三方检测机构-材料检测单位检测标准
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GB/T14198一2012传声器通用规范
2023-09-13GB/T 14198一 2012.General specification for microphones.GB/T 14198规定了传声器的分类、要求
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GB/T28431-2012地面数字电视传送流复用和接口技术规范
2023-09-13GB/T 28431-2012.Specification for transport stream multiplexing and interfaces in digital
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GB/T28430-2012数字电视系统数据广播技术规范
2023-09-13GB/T 28430-2012.Technical specification of data broadcasting in digital television system.
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GB/T12060.9-2011声系统设备第9部分:人工混响、时间延迟和移频装置测量方法
2023-09-13GB/T 12060.9-2011.Sound system equipment- Part 9: Methods of measurement for artificial re
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GB/T2846-2011调幅广播收音机测量方法
2023-09-13GB/T 2846-2011.Methods of measurement on radio receivers for AM broadcast transmissions.结
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GB/T27511-201135mm幻灯片双画幅和单画幅规范
2023-09-13GB/T 27511-2011.35 mm filmstrips-Specifications for double-frame and single-frame formats.
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GB/T26683-2011地面数字电视接收器通用规范
2023-09-13GB/T 26683-2011.General specification for digital terrestrial set-top box.GB/T 26683规定了
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GB/T26685-2011地面数字电视接收机测量方法
2023-09-13GB/T 26685-2011.Methods of measurement for digital terrestrial television receiver.GB/T 26
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GB/T28160-2011数字电视广播电子节目指南规范
2023-09-13GB/T 28160-2011.Specification of electronic programme guide for digital television broadca
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GB/T26682-2011地面数字电视标准测试接收机技术要求和测量方法
2023-09-13GB/T 26682-2011.Technical requirements and methods of measurement for standard testing rec
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GB/T22161-200835mm电影放映机间歇输片齿轮尺寸
2023-09-13GB/T 22161-2008.Intermittent sprockets for 35 mm motion-picture projectors-Dimensions.1范
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GB25957-2010数字电视接收器(机顶盒)能效限定值及能效等级
2023-09-13GB 25957-2010.Minimum allowable values of energy efficiency and energy efficiency grades f
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GB7553-198735mm摄影机画面测试版
2023-09-13GB 7553-1987.35 mm Camera test chart target.GB 7553适用于大型透射式35mm摄影机画面测试版。
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GB/T20030-2005HFC网络设备管理系统规范
2023-09-13GB/T 20030-2005.Specification of equipment management system for HFC network.GB/T 20030规
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GB/T3320.1一1987频率响应测试唱片
2023-09-13GB/T 3320. 1一1987.Frequency response test record.GB/T 3320. 1等效采用IBC98号出版物有关规
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GB/T3320.2一1982循迹能力、声道分隔度测试唱片
2023-09-13GB/T 3320. 2一1982.Tracking ability and channel separation test record.1用途GB/T 3320. 2唱
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GB/T3175.1-1987反射式彩条测试图
2023-09-13GB/T 3175.1-1987.Reflection colour bar test card.GB/T 3175.1适用于校正彩色电视摄像机各信道
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GB4963-1985自由场纯音标准等响线
2023-09-13GB 4963-1985.Normal equal-loudness contours for pure tones under free field llstening cond
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GB4877-1985电视中间频率
2023-09-13GB 4877-1985.Inter mediate fr equencies of television.GB 4877适用于外差式电视接收机和中频
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GB/T3320.3一1982抖晃度测试唱片
2023-09-13GB/T 3320. 3一1982.Wow and flutter test record.1用途GB/T 3320. 3唱片适用于测定转速为33%转/
