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公开(公告)号:CN3005496S
公开(公告)日:1990-05-02
申请号:CN89301387.0
申请日:1989-07-12
Applicant: 株式会社日立制作所
Designer: 木村茂孝 , 长谷川孔一 , 青堀铁郎 , 渡边修自