에너지관리,배관기능장 2020년 용접봉변경후 플랜지용접( 4313)
Video Statistics and Information
Channel: 굿울산 마이스터배관용접학원
Views: 25,554
Rating: undefined out of 5
Keywords: 에너지기능장, 배관기능장, 아크용접, 후랜지용접, 플랜지용접, 후렌지용접, 플렌지용접, 용접기능장, welding, 용접학원, 배관학원, 에너지학원, 가스기능사, 용접, 티그용접, 씨오투용접
Id: xNEVusnc2BA
Channel Id: undefined
Length: 5min 43sec (343 seconds)
Published: Sun Jan 19 2020
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