NA 009
DIN Standards Committee Information and Documentation
DIN 19051-21 [CURRENT] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN ISO 6428 | 1997-03 | Technical drawings - Requirements for microcopying (ISO 6428:1982) More |
| DIN 19051-20 | 1991-03 | Test patterns for micrography; test exposures made to establish the conditions for microfilming of drawings More |
| OENORM DIN 19051-20 | 1995-02-01 | Test patterns for micrography - Test exposures made to establish the conditions for microfilming of drawings More |
