DIN 1912-4 PDF
Graphical representation – Welding, soldering – Part 4: Concepts and terms for soldered and brazed joints and seams
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Graphical representation – Welding, soldering – Part 4: Concepts and terms for soldered and brazed joints and seams
Deutsches Institut Fur Normung E.V. (German National Standard) , 10/01/2018
DIN 1912-4 PDF
Graphical representation – Welding, soldering – Part 4: Concepts and terms for soldered and brazed joints and seams