QB/T 3822-1999.Hardness testing method of the metal deposits for the light fndustrial productsMicroscopic hardness tester method.本方法采用显微硬度计测定金属镀层的硬...
QB/T 3823-1999.Porosity testing method of the metal deposits for the lightindustrial products.本方法适用于检验钢铁、铜及铜合金、铝及铝合金上的阴极性镀层的...
QB/T 3825—1999.Testing method of the white chromatic conversion coatings existance and the corrosion resistanceof the zinc deposlts for the lightfndustrial products.本方法是对镀...
QB/T 3826-1999.orrosion-resistant testing method of the metal deposits and conversioncoatings for the ilghtlndustriai products Neutralsalt spraying test (NSs ).本方法适用于检验...
QB/T 3827-1999.Corrosion-resist ant testing methodofthe metal deposits and conversioncoatings for the lightindustrial products Acetic salt spraylng test (Ass )本方法主要适用于...
QB/T 3835-1999.QB/T 3835适用于弹子、叶片、磁性密码结构等各类锁具及主要零部件名词术语的定名和应用。1钺具结构mechanisms of lock1.1弹子结构...
JT/T 692-2007 Test method for colorimetric characteristics of retroreflectors under nighttime conditions.1范围JT/T 692规定了使用远程色度计或远程光谱辐射度计测量...
JT/T 688-2007 Retroreflection vocabulary.1范围JT/T 688规定了逆反射测量、逆反射体的几何坐标系统和角度表示方法等方面的术语和定义,以及与逆反射...
QB/T 3842-1999.Naming and terminology of files.QB/T 3842适用于钳工锉、锯锉、整形锉、异形锉、钟表整形锉、特殊钟表锉和木锉。.1名词1.1钳工锉Engi n...
JT/T 686-2007 Measurer for impact resistance of retroreflective sheeting.1范围JT/T 686规定了反光膜耐冲击性能测定仪的结构、技术要求试验方法、检验规则以...
