NA 027
DIN Standards Committee Optics and Precision Mechanics
DIN 4647-1 [Withdrawn] referenced in following documents:
Document number | Edition | Title |
---|---|---|
DVS 1902-2 | 2001-11 | Schweißen in der Hausinstallation - Stahl - Rohre, Schweißprozesse; Befund von Schweißnähten More |