NA 062
DIN Standards Committee Materials Testing
DIN EN 843-4 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ASTM C 730 | 1998 | Standard Test Method for Knoop Indentation Hardness of Glass More |
| ASTM C 849 | 1988 | Standard Test Method for Knoop Indentation Hardness of Ceramic Whitewares More |
| DIN ISO 9385 | 1991-01 | Glass and glass-ceramics; Knoop hardness test; identical with ISO 9385:1990 More |
| JIS R 1610 | 2003-10-20 | Test methods for hardness of fine ceramics More |