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GB/T 16656.520-2002
工业自动化系统与集成 产品数据的表达与交换 第520部分:应用解释构造:相关绘图元素
Industrial automation systems and integration--Product data representation and exchange--Part 520:Application interpreted construct:Associative draughting elements
GB/T 19275-2003
Evaluation of the potential biodegradability and disintegration of plastic materials by the action of the specific microorganisms
GB/T 18526.6-2001
Code of good irradiation practice for the control of microflora in pickled meat products with distillers grain
GB/T 18932.3-2002
Method for the determination of streptomycin residues in honey--Liquid chromatography method
GB/T 12162.1-2000
用于校准剂量仪和剂量率仪及确定其能量响应的X和γ参考辐射 第1部分:辐射特性及产生方法
X and gamma reference radiation for calibrating dose meters and doserate meters and for determining their response as a function of photon energy--Part 1:Radiation characteristics and production methods
GB/T 11449.6-1989
Flanges for waveguides--Part 7:Relevant specification for flanges for square waveguides