YS T 1017-2015 Rhenium powder《铼粉》.pdf

相关资源

YS T 649-2018 铜及铜合金挤制棒.pdf

YS T 679-2018 非本征半导体中少数载流子扩散长度的测试表面光电压法.pdf

YS T 662-2018 铜及铜合金挤制管.pdf

YS T 540.7-2018 钒化学分析方法第7部分：氧量的测定惰气熔融红外吸收法.pdf

YS T 988-2014 羧乙基锗倍半氧化物.pdf

YS T 540.5-2018 钒化学分析方法第5部分：杂质元素测定电感耦合等离子体原子发射光谱法.pdf

YS T 1288.3-2018 高纯锌化学分析方法第3部分：砷量的测定 氢化物发生-原子荧光光谱法.pdf

YS T 79-2018 硬质合金焊接刀片.pdf

YS T 584-2018 电极材料用铬、锆铜棒材.pdf

YS T 699-2018 铝电解用石墨化阴极炭块.pdf

猜你喜欢

ITU-R INFORME BT 476-1 SPANISH-1974 COLORIMETRIC STANDARDS IN COLOUR TELEVISION《彩色电视中的比色标准》.pdf

ITU-R INFORME BT 482-1 SPANISH-1986 RECOMMENDED CHARACTERISTICS FOR COLLECTIVE AND INDIVIDUAL ANTENNA SYSTEMS FOR DOMESTIC RECEPTION OF SIGNALS FROM TERRESTRIAL TRANSMITTERS《集体和个人天.pdf

ITU-R INFORME BT 484-2 SPANISH-1986 RATIO OF PICTURE-SIGNAL TO SYNCHRONIZING-SIGNAL《数字信号到同步信号的比率》.pdf

ITU-R INFORME BT 485-1 SPANISH-1982 CONTRIBUTION TO THE PLANNING OF BROADCASTING SERVICES《广播服务规划的贡献》.pdf

ITU-R INFORME BT 624-4 SPANISH-1990 Characteristics of television systems《电视系统的特点》.pdf

ITU-R INFORME BT 626-1 SPANISH-1978 Simplification of synchronizing signals in television《电视同步信号的简化》.pdf

ITU-R INFORME BT 628-4 SPANISH-1990 Automatic monitoring and control of television operation《电视业务的自动监控》.pdf

ITU-R INFORME BT 629-4 SPANISH-1990 Digital coding of colour television signals《彩色电视信号的数字编码》.pdf

ITU-R INFORME BT 801-4 SPANISH-1990 The present state of high-definition television《高清电视的现状》.pdf