YD/T 1980-2009
Technical requirements for Mg/Mi/Mj/Mk/Mw/Gm interface in IMS system in mobile communication network 移动通信网ims系统接口技术要求 mg/mi/mj/mk/mw/gm接口 |
SN/T 1980-2007
Determination of progestogens residues in food of animal origin for import and export. HPLC-MS method 进出口动物源性食品中孕激素类药物残留量的检测方法 高效液相色谱-质谱/质谱法 |
GB/T 19809-2005
Plastics pipes and fittings-Preparation of polyethylene(PE)pipe/pipe or pipe/fitting test piece assemblies by butt fusion 塑料管材和管件 聚乙烯(PE)管材/管材或管材/管件热熔对接组件的制备 |
GB/T 1989-1980
Methods for indication of the 7-bit encoding character set for information processing switching on 12.7 mm magnetic tape 信息处理交换用七位编码字符集在9磁道12.7 毫米磁带上的表示方法 |
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