中华人民共和国出入境检验检疫行业标准
SN/T 1138—2002
进出口金属粉末粒度组成的
干筛分试验法
Metallic powders—Determination of particle size by dry sieving for import and export
(ISO 4497:1983,Metallic powders—Determination of
particle size by dry sieving,MOD)
2002-08-02批准2003-01-01实施




