همکاری در تدوین استاندارد آقای مهندس حمید گلابی ISO22825: Non-destructive testing of welds — Ultrasonic testing — Testing of welds in austenitic steels and nickel-based alloys
ISO22825: Non-destructive testing of welds — Ultrasonic testing — Testing of welds in austenitic steels and nickel-based alloys
