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公开(公告)号:KR200021887Y1
公开(公告)日:1982-06-25
申请号:KR2019800000692
申请日:1980-02-05
Applicant: 한국과학기술연구원
Inventor: 최홍식 , 변유량 , 김성곤 , 김동철
IPC: F26B3/02