PNE 7424-4
Current
Current
The latest, up-to-date edition.
METALLIC MATERIALS. HARDNESS TEST. PART 4: CALIBRATION OF STANDARDIZED BLOCKS TO BE USED FOR ROCKWELL SUPERFICIAL HARDNESS TESTING MACHINES (SCALES 15 N, 30 N, 45 N, 15 T, 30 T, 45 T).
Published date
05-08-1994
Publisher
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| Committee |
CTN 7
|
| DocumentType |
Standard
|
| PublisherName |
Asociacion Espanola de Normalizacion
|
| Status |
Current
|
| Standards | Relationship |
| ISO 1355:1989 | Identical |
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