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Number of entries (Data is updated on a monthly basis): 83776
GB/T 223.50-1994
钢铁及合金化学分析方法 苯基荧光酮-溴化十六烷基三甲基胺直接光度法测定锡量
Methods for chemical analysis of iron,steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content
GB/T 16955-1997
Acoustics--Tractors and machinery for agriculture and forestry--Measurement of noise at the operator’s position--Survey method
GB/T 16406-1996
Acoustics--Flexural resonancetesting method for damping properties of acoustical materials
GB/T 16973.1-1997
信息技术 文本与办公系统 文件归档和检索（DFR） 第1部分:抽象服务定义和规程
Information technology--Text and office systems--Document Filing and Retrieval(DFR)--Part 1:Abstract services definition and procedures
Number of entries (Data is updated on a monthly basis): 83776