NF L23-201-1975 Retaining rings for shafts external type 《轴用止动环 外装型》.pdf

相关资源

NF L23-201 A1-1979 RETAINING RING FOR SHAFTS 《轴用止动环 外装型 修改件1》.pdf

猜你喜欢

ANSI S1.13-2005 Measurement of Sound Pressure Levels in Air《空气中声压级的测量》.pdf

ANSI S1.15 Part 1-1997 Measurement Microphones - Part 1 Specifications for Laboratory Standard Microphones《测量扩音器.第1部分 实验室标准扩音器规范》.pdf

ANSI S1.15 Part 2-2005 Measurement Microphones - Part 2 Primary Method for Pressue Calibration of Laboratory Standard Microphones by the Reciprocity Technique《测试传声器.第2部分 用互易技术对实验室标.pdf

ANSI S1.16-2000 Method for Measuring the Performance of Noise Discriminating and Noise Cancelling Microphones《噪声识别和噪声消除扩音器的性能测量方法》.pdf

ANSI S1.4-1983 Specification for Sound Level Meters《声级计规范》.pdf

ANSI S12.10-2002 Acoustics - Measurement of Airborne Noise Emitted by Information Technology and Telecommunications Equipment《声学.信息技术和电信设备发出的空气载噪声的测量》.pdf

ANSI S12.19-1996 Measurement of Occupational Noise Exposure《职业性噪声影响的测量》.pdf

ANSI S12.3-1985 Statistical Methods for Determining and Verifying Stated Noise Emission Values of Machinery and Equipment《测定和验证机械与设备的固定噪声发射值的统计方法》.pdf

ANSI S12.53 2-1999 Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small movable sources in reverberant fields - Par.pdf