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公开(公告)号：KR102171007B1
公开(公告)日：2020-10-28
申请号：KR1020180159599
申请日：2018-12-12
Applicant: 히다찌긴조꾸가부시끼가이사
Inventor： 와카노모토키
IPC: B22F9/08
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