2673143

Information

• Patent Grant
• 2673143

• References
• Source

• Patent Number

  2,673,143

• Date Filed

  Not available

• Date Issued

  Tuesday, March 23, 1954
  70 years ago

• CPC

  • C23F3/02 - Light metals

• US Classifications

  • 252 - Compositions
  • 216 - Etching a substrate: processes