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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 11346-1989 |
Radiographs for inspection grading of gas porosity (round) in aluminium alloy casting 铝合金铸件X 射线照相检验针孔(圆形)分级 |
China National Standards sity |
 English PDF |
| GB/T 11137-1989 |
Black petroleum products--Determination of kinematic viscosity (reverse-flow method) and calculation of dynamic viscosity 深色石油产品运动粘度测定法 (逆流法) 和动力粘度计算法 |
China National Standards sity |
English PDF |
| GB/T 266-1988 |
Petroleum products--Determination of Engler viscosity 石油产品恩氏粘度测定法 |
China National Standards sity |
English PDF |
| GB/T 265-1988 |
Petroleum products--Determination of kinematic viscosity and calculation of dynamic viscosity 石油产品运动粘度测定法和动力粘度计算法 |
China National Standards sity |
English PDF |
| GB/T 8023-1987 |
Liquid petroleum products--Viscosity-temperature charts 液体石油产品粘度温度计算图 |
China National Standards sity |
English PDF |
| GB/T 6286-1986 |
Determination of bulk density for molecular sieve 分子筛堆积密度测定方法 |
China National Standards sity |
English PDF |
| GB/T 5211.4-1985 |
Determination of tamped volume and apparent density of pigments 颜料装填体积和表观密度的测定 |
China National Standards sity |
English PDF |
| GB/T 4196-1984 |
Method for testing the density of tungsten and molybdenum bars 钨、钼条密度测定方法 |
China National Standards sity |
English PDF |
| GB/T 4193-1984 |
Method for measuring the density of the fine wire and ribbon of tungsten and molybdenum used in electric light sources and vacuumtubes 电真空器件及电光源用细钨丝、钼丝和薄带密度的测试方法 |
China National Standards sity |
English PDF |
| GB/T 3850-1983 |
Impermeable sintered metal materials and hardmetals--Determination of density 致密烧结金属材料与硬质合金密度测定方法 |
China National Standards sity |
English PDF |
| GB/T 3489-1983 |
Hardmetals--Metallographic determination of porosity and uncombined carbon 硬质合金 孔隙度和非化合碳的金相测定 |
China National Standards sity |
English PDF |
| GB/T 2541-1981 |
Petroleum products--Computation table for viscosity indices 石油产品粘度指数算表 |
China National Standards sity |
English PDF |
| GB/T 2413-1980 |
Piezoelectric ceramic materials--Measuring methods for determination of volume density 压电陶瓷材料体积密度测量方法 |
China National Standards sity |
English PDF |
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