1981 year China issued GB standards list |
GB/T 2683-1981 Test chart for facsimile transmission
传真测试样张 |
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GB/T 384-1981 Determination of calorific value of petroleum products
石油产品热值测定法 |
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GB/T 2689.2-1981 Life test and acceleration life test charts--Evaluation of their Weibull distributions
寿命试验和加速寿命试验的图估计法 (用于威布尔分布) |
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GB/T 2625-1981 Process detection and controlflow chart--Symbols and letter codes
过程检测和控制流程图用图形符号和文字代号 |
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GB/T 2689.1-1981 Constant stress life tests and acceleration life tests--General rules
恒定应力寿命试验和加速寿命试验方法 总则 |
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GB/T 2432-1981 Gasoline--Determination of tetraethyl lead content--Complexometric titration method
汽油中四乙基铅含量测定法 (络合滴定法) |
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GB/T 2789-1981 Technical requirements for network interface for the analogue microwave relay communication systems
模拟微波接力通信系统网路接口基本技术要求 |
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GB/T 2787-1981 Keyboard for international information processing interchange using the 7-bit coded character set--Alpha-numeric area
信息处理交换用七位编码字符集键盘的字母数字区布局 |
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GB/T 2689.3-1981 Life test and acceleration life test--Simple linear deflection-free--Evaluation ofWeibull distributions
寿命试验和加速寿命试验的简单线性无偏估计法(用于威布尔分布) |
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GB/T 2541-1981 Petroleum products--Computation table for viscosity indices
石油产品粘度指数算表 |
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GB/T 2426-1981 Breeding stock--Xinjiang fine-wool sheep
新疆细毛羊 |
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GB/T 2689.4-1981 Life test and acceleration life test--Optimal linear deflection-free--Evaluation of Weibull distributions
寿命试验和加速寿命试验的最好线性无偏估计法(用于威布尔分布) |
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