邻二羟基化学性质检测标准
CNAS认证
CMA认证
BS EN IEC 62902:2019
Secondary cells and batteries. Marking symbols for identification of their chemistry
Secondary cells and batteries. Marking symbols for identification of their chemistry
- 【发布单位或类别】 GB-BSI英国标准学会
- 【发布日期】2019-05-10
- 【CCS分类】
- 【ICS分类】
BS 2782-4:METHOD 470B:1999
Methods of testing plastics. Chemical properties-Determination of ash of polyalkylene terephthalates
Methods of testing plastics. Chemical properties-Determination of ash of polyalkylene terephthalates
- 【发布单位或类别】 GB-BSI英国标准学会
- 【发布日期】1999-04-15
- 【CCS分类】
- 【ICS分类】