플랜지 용접! 배관기능장,에너지기능장,에너지산업기사,가스기능사
Video Statistics and Information
Channel: 굿울산 마이스터배관용접학원
Views: 89,863
Rating: undefined out of 5
Keywords: 후렌지용접, 후랜지용접, 플랜지용접, 아크용접, 에너지관리기능장, 배관기능장, 에너지기능장, 니쁠용접, 니플용접, 가스기능사
Id: beb5l7CYEGw
Channel Id: undefined
Length: 11min 10sec (670 seconds)
Published: Fri May 10 2019
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