3905231

Information

• Patent Grant
• 3905231

• References
• Source

• Patent Number

  3,905,231

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1975
  49 years ago

• CPC

  • G01F3/225 - characterised by constructional features of membranes or by means for improving proper functioning of membranes

• US Classifications

  • 073 - Measuring and testing