• 专利标题: Display device for illustrating scientific codes, and corresponding hexagrams
  • 申请号: US134907
    申请日: 1987-12-18
  • 公开(公告)号: USD313625S
    公开(公告)日: 1991-01-08
  • 设计人: Johnson F. YanSuzie C. Yan
  • 申请人: Johnson F. YanSuzie C. Yan
Display device for illustrating scientific codes, and corresponding
hexagrams
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