3687741

Information

• Patent Grant
• 3687741

• References
• Source

• Patent Number

  3,687,741

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1972
  52 years ago

• CPC

  • C23C22/64 - Treatment of refractory metals or alloys based thereon
  • C25D5/38 - of refractory metals or nickel

• US Classifications

  • 148 - Metal treatment