NA 020
DIN Standards Committee Hardware, Tinware and Metal Products
DIN 7521 [Withdrawn] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 15085 | 1977-12 | Lifting appliances; rail wheels, technical conditions More |
| DIN 7540 | 1980-10 | Eye hooks, grade 5 More |
| DIN 15404-1 | 1989-12 | Lifting hooks; technical delivery conditions for forged hooks More |
| DIN 20633 | 2002-04 | Overhead monorail installations for mining - Double-end fork turnbuckles More |
