JJG 868-2024
毫瓦级标准超声功率源检定规程
Verification Regulation of Standard Ultrasonic Power Sources for Milli Watt-level
2024-10-19
JJF 1276-1990
瓦级超声功率基准操作技术规范
Operating Technical Norm of Primary Standard for Watt Level Ultrasonic power
JJF 1277-1990
瓦级超声功率副基准操作技术规范
Operating Technical Norm of the Secondard Standard for the Ultrasonic Power of Watt Level
YY/T 1085-2007
毫瓦级超声源
Ultrasonic sources at milliwatt levels
2007-01-31
JJG 448-2005
瓦级超声功率计检定规程
Verification Regulation of Ultrasonic Power Meters for watt Level
2005-04-28
GB/T 14368-1993
声学 标准超声功率源
Acoustics--Standard ultrasonic power source
1993-03-17
VDI 3732
Standard noise levels of technical sound sources - Flares
技术声源的标准噪声级.照明弹
1999-02-01
JJF 1278-1990
毫瓦级超声功率基准操作技术规范
Operating Technical Norm of the Primary Standard for Milliwatt Level Ultrasonic power
JJF 1279-1990
毫瓦级超声功率副基准操作技术规范
Operating Technical Norm of the Secondary Standard for the Ultrasonic power of Milliwatt Level
KS I ISO 3740(2017 Confirm)
음향－소음원의음향 파워 레벨 측정 방법－기본 규격의 이용을 위한 지침서
声学噪声源声功率级的测定基本标准的使用指南
2002-08-31
BS EN ISO 3740-2019
Acoustics. Determination of sound power levels of noise sources. Guidelines for the use of basic standards
声学噪声源声功率级的测定 基本标准使用指南
2019-04-10
AS 5332-2019
Acoustics - Determination of sound power levels of noise sources - Guidelines for the use of basic standards
声学.噪声源声功率级的测定.基本标准的使用指南
2019-06-06
AS 5331-2019
Acoustics - Determination of sound power levels of noise sources - Guidelines for the use of basic standards
声学.噪声源声功率级的测定.基本标准的使用指南
2019-11-08
VDI 3736 Sheet 1
Standard noise levels of technical sound sources; rotating electrical machines; AC-machines
技术声源的标准噪声级；旋转电机；交流电机
1984-04-01
KS I ISO 3740
음향 — 소음원의 음향파워레벨 결정방법 — 기본 표준 사용 지침
声学噪声源声功率级的测定基本标准使用指南
2023-09-08
GB/T 14367-2006
声学 噪声源声功率级的测定 基础标准使用指南
Acoustics―Determination of sound power levels of noise sources―Guidelines for the use of basic standards
2006-07-25
ISO 3740-2019
Acoustics — Determination of sound power levels of noise sources — Guidelines for the use of basic standards
声学.噪声源声功率级的测定.基本标准的使用指南
2019-02-22
ISO 7361-1986
Performance standards in building — Presentation of performance levels of facades made of same-source components
建筑性能标准——展示由相同源组件构成的立面的性能水平
1986-12-18
SMPTE RP 2047-3-2016
VC-2 Level 65 Compression of High Definition Video Sources for Use with a Standard Definition Infrastructure
VC-2 65级高清晰度视频源压缩 用于标准清晰度基础设施
2016-08-10
IEEE/ANSI C63.9-2008
American National Standard for RF Immunity of Audio Office Equipment to General Use Transmitting Devices with Transmitter Power Levels up to 8 Watts
美国国家标准《音频办公设备对发射机功率级高达8瓦的通用发射设备的射频抗扰度》
2009-01-09