성남 판교 야외공연장 환풍구 붕괴사고
2014년 10월 17일
: 2014년 10월 17일 오후 5시 53분
▣ 사고개요
: 성남 판교 테크노밸리 유스페이스 주변 환풍구 덮개 붕괴
▣ 재해규모
: 사망 16명, 부상 11명
▣ Impact Force Without a Seatbelt . . ▣ Principle of Calculation . …
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