NA 027
DIN Standards Committee Optics and Precision Mechanics
DIN EN 404 [CURRENT] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 22100-7 | 2011-08 | Articles and materials from synthetics for use in underground mines - Part 7: Safety requirements, testing, marking More |
| DIN 22100-3 | 2010-10 | Articles and materials from synthetic for use in underground mines - Part 3: Spiral air ducts - Safety requirements, testing, marking More |
