GB/T 2491-2003

Bonded abrasive products—Hardness grade measurement by Rockwell tester

NORMA vydána dne 8.10.2003

The information about the standard:

Designation standards: GB/T 2491-2003
Note: NEPLATNÁ
Publication date standards: 8.10.2003
Country: Chinese technical standard
Kategorie: Technické normy GB