1889890

Information

• Patent Grant
• 1889890

• References
• Source

• Patent Number

  1,889,890

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1932
  91 years ago

• CPC

  • G01N21/716 - by measuring the radiation emitted by a test object treated by combustion gases for investigating the composition of gas mixtures

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 073 - Measuring and testing