SY T 6900-2020 Sercel 400系列地震数据采集系统检验项目及技术指标.pdf

相关资源

GY 34-1984 转播用调幅广播收音机运行技术指标等级.pdf

GY 35-1984 VHF电视发射通道运行技术指标测量方法（双通道部份）.pdf

GY 36-1984 VHF电视发射通道运行技术指标.pdf

GY 69-1989 广播调制机和广播解调机运行技术指标.pdf

GY 70-1989 广播调制机和广播解调机运行技术指标测量方法.pdf

GY 71-1989 微波、卫星传送广播节目通路运行技术指标等级.pdf

GY 78-1989 广播录音机运行技术指标等级（单声和立体声）.pdf

GY 79-1989 农村有线广播用户设备技术指标测量方法.pdf

GY 80-1989 农村有线广播台（站）内设备技术指标测量方法.pdf

猜你喜欢

ASTM A646A646M-17 Standard Specification for Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings.pdf

ASTM A971A971M-17 Standard Test Method for Measuring Edge Taper and Crown of Flat-Rolled Electrical Steel Coils.pdf

ASTM B234M-17 Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes for Surface Condensers, Evaporators, and Heat Exchangers (Metric).pdf

ASTM C1246-17 Standard Test Method for Effects of Heat Aging on Weight Loss, Cracking, and Chalking of Elastomeric Sealants After Cure.pdf

ASTM C1337-17 Standard Test Method for Creep and Creep Rupture of Continuous Fiber-Reinforced Advanced Ceramics Under Tensile Loading at Elevated Temperatures.pdf

ASTM C139-17 Standard Specification for Concrete Masonry Units for Construction of Catch Basins and Manholes.pdf

ASTM C1402-17 Standard Guide for High-Resolution Gamma-Ray Spectrometry of Soil Samples.pdf

ASTM C1634-17 Standard Specification for Concrete Facing Brick.pdf

ASTM C1677-11a(2017) Standard Specification for Joints for Concrete Box, Using Rubber Gaskets.pdf