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Приказ резултата 1-6 од 2
depth of welding (1) |
high frequency welding (1) |
longitudinal welded pipes (1) |
mechanical properties (2) |
orbital welding (1) |
oxide coating (1) |
depth of welding (1) |
high frequency welding (1) |
longitudinal welded pipes (1) |
mechanical properties (2) |
orbital welding (1) |
oxide coating (1) |