发明授权
US1804633A Process of making fire proofed wood and like cellular products 失效
制作防火木材和蜂窝产品的过程

  • 专利标题: Process of making fire proofed wood and like cellular products
  • 专利标题(中): 制作防火木材和蜂窝产品的过程
  • 申请号: US24562928
    申请日: 1928-01-09
  • 公开(公告)号: US1804633A
    公开(公告)日: 1931-05-12
  • 发明人: MCKEE RALPH H
  • 申请人: MCKEE RALPH H
  • 专利权人: Ralph H Mckee
  • 当前专利权人: Ralph H Mckee
  • 优先权: US24562928 1928-01-09
  • 主分类号: B27K3/32
  • IPC分类号: B27K3/32
Process of making fire proofed wood and like cellular products
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