3521490

Information

• Patent Grant
• 3521490

• References
• Source

• Patent Number

  3,521,490

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1970
  54 years ago

• CPC

  • G01K5/42 - the body being a bellows

• US Classifications

  • 374 - Thermal measuring and testing