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公开(公告)号:KR2019880010683U
公开(公告)日:1988-07-28
申请号:KR2019860018877
申请日:1986-11-29
Applicant: 김근회 , 장은수
Inventor: 김근회 , 장은수
IPC: H01J61/30
公开(公告)号:KR2019880011965U
公开(公告)日:1988-08-26
申请号:KR2019860020889
申请日:1986-12-23
Applicant: 김근회
IPC: B60J7/02