DIN 58744-1 - DRAFT
DIN 58744-1 - DRAFT Draft Document - Production in optical engineering - Diamond core drills - Part 1: With fitting thread
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/2016
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/2016