3617130

Information

• Patent Grant
• 3617130

• References
• Source

• Patent Number

  3,617,130

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1971
  53 years ago

• CPC

  • G02B27/54 - Schlieren-optical systems

• US Classifications

  • 356 - Optics: measuring and testing