DIN EN 13100-4:2013-01 Non destructive testing of welded joints of thermoplastics semifinished products - Part 4: High voltage testing; German version EN 13100-4:2012
2013DIN EN 13100-4:2013-01 Non destructive testing of welded joints of thermoplastics semifinished products - Part 4: High voltage testing; German version EN 13100-4:2012