1979990

Information

• Patent Grant
• 1979990

• References
• Source

• Patent Number

  1,979,990

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1934
  90 years ago

• CPC

  • B01D33/25 - with hollow frames axially mounted on a hollow rotary shaft

• US Classifications

  • 210 - Liquid purification or separation