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公开(公告)号:KR3019990001991S
公开(公告)日:1999-09-15
申请号:KR3019990012735
申请日:1999-06-09
Applicant: 조정수
Designer: 조정수
公开(公告)号:KR2019920021506U
公开(公告)日:1992-12-19
申请号:KR2019910008072
申请日:1991-05-30
Inventor: 조정수
IPC: D03C5/00
公开(公告)号:KR2019900006764U
公开(公告)日:1990-04-03
申请号:KR2019880014780
申请日:1988-09-02
IPC: E03B9/06
公开(公告)号:KR2019850006872U
公开(公告)日:1985-09-13
申请号:KR2019840001188
申请日:1984-02-15
IPC: F24H1/34