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公开(公告)号:KR100017798B1
公开(公告)日:1984-10-19
申请号:KR1019790003861
申请日:1979-11-05
Applicant: 스미토모덴키고교가부시키가이샤
Inventor: 다께다요시노부 , 구로이시노부히도 , 노지스스무
IPC: C22C38/04 , B22F3/02 , C22C33/02
公开(公告)号:KR100017848B1
公开(公告)日:1984-10-29
申请号:KR1019790003862
IPC: C22C33/02 , B22F3/02 , B22F1/00 , C22C38/04
公开(公告)号:KR1019830001398A
公开(公告)日:1983-04-30