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公开(公告)号:KR3000041610000S
公开(公告)日:1968-01-19
申请号:KR3019670001071
申请日:1967-07-13
Applicant: 송종근
Designer: 송종근
公开(公告)号:KR3000041580000S
申请号:KR3019670001054
申请日:1967-07-10
公开(公告)号:KR2019670000850Y1
公开(公告)日:1967-09-01
申请号:KR2019670000996
申请日:1967-04-12
Inventor: 송종근
IPC: A61C15/02