3620859

Information

• Patent Grant
• 3620859

• References
• Source

• Patent Number

  3,620,859

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • G01N1/32 - Polishing Etching
  • C23F3/02 - Light metals

• US Classifications

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