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GB/T 2900.52-2008
Electrotechnical terminology - Generation,transmission and distribution of electricity - Generation
GB/T 11712-1989
Dose conversion factors for use in protection against X,γ-ray external radiation
GB/T 11848.6-1989
Determination of fluoride in uranium ore concentrate by ion-selective electrode
GB/T 11848.7-1989
Determination of halidess in uranium ore concentrate--Volhard titration
GB/T 11848.8-1989
Determination of moisture in uranium ore concentrate--Loss of weight at 110℃
GB/T 11848.9-1989
Determination of silicon in uranium ore concentrate by gravimetry
GB/T 4270-1999
Graphical symbols and letter codes for thermal engineering in the technical documentation
GB/T 5009.71-2003
Method for analysis of hygienicstandard of polypropyrene resin for food packaging
GB/T 6588-2000
半导体器件 分立器件 第3部分:信号（包括开关）和调整二极管 第1篇 信号二极管、开关二极管和可控雪崩二极管空白详细规范
Semiconductor devices--Discrete devices--Part 3:Signal(including switching) and regulator diodes--Section One--Blank detail specification for signal diodes,switching diodes and controlled-avalanche diodes