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Number of entries (Data is updated on a monthly basis): 83243
GB/T 17645.20-2002
工业自动化系统与集成 零件库 第20部分:逻辑资源:表达式的逻辑模型
Industrial automation systems and integration--Parts library--Part 20:Logical resource:Logical model of expressions
GB/T 11299.4-1989
卫星通信地球站无线电设备测量方法 第一部分:分系统和分系统组合通用的测量 第四节:基带测量
Methods of measurement for radio equipment used in satelliteearth stations--Part 1:Measurements common to sub-systems and combinations of sub-systems--Section four:Measurements in the base band
GB/T 11449.4-1989
Flanges for waveguides--Part 4:Relevant specification for flanges for circular waveguides
GB/T 5451-2001
Testing method for the wettability of dispersible powders of pesticides
GB 19210-2003
Cleaning code for air duct system in heating,ventilating and air-conditioning systems
Number of entries (Data is updated on a monthly basis): 83243