2557379

Information

• Patent Grant
• 2557379

• References
• Source

• Patent Number

  2,557,379

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1951
  73 years ago

• CPC

  • C21D5/10 - in gaseous agents

• US Classifications

  • 148 - Metal treatment
  • 266 - Metallurgical apparatus