NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[Withdrawn]
DIN 58744-1
DIN 58744-1
Production in optical engineering - Diamond impregnated core drills - Part 1: With fitting thread
Title (German)
Optikfertigung - Diamantbesetzte Bohrschleifkörper - Teil 1: Mit Anschlußgewinde