发明授权
US1918462A Apparatus for impregnating coarsely fibrous materials to be worked up into building elements 失效
用于浸渍要被加工成建筑构件的粗纤维材料的装置

  • 专利标题: Apparatus for impregnating coarsely fibrous materials to be worked up into building elements
  • 专利标题(中): 用于浸渍要被加工成建筑构件的粗纤维材料的装置
  • 申请号: US58046731
    申请日: 1931-12-11
  • 公开(公告)号: US1918462A
    公开(公告)日: 1933-07-18
  • 发明人: KONRAD ERDMANN
  • 申请人: KONRAD ERDMANN
  • 专利权人: Erdmann Konrad
  • 当前专利权人: Erdmann Konrad
  • 优先权: US58046731 1931-12-11; US48893830 1930-10-15
  • 主分类号: D21J1/00
  • IPC分类号: D21J1/00
Apparatus for impregnating coarsely fibrous materials to be worked up into building elements
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