DIN 19051-3 BBL.1-1981 标准详情
- 标准号:DIN 19051-3 BBL.1-1981
- 中文标题:复制用试验样品, 检验技术图纸缩微化的din 检验板, 实际使用灰色厚度卡
- 英文标题:tests for reprographic use; din-test assembly (test table) for testing the microfilming of technical drawings; neutral density cards for use in practice
- 标准类别:德国标准
- 发布日期:1981-04-01