2133532

Information

• Patent Grant
• 2133532

• References
• Source

• Patent Number

  2,133,532

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1938
  86 years ago

• CPC

  • C21D5/10 - in gaseous agents

• US Classifications

  • 148 - Metal treatment
  • 420 - Alloys or metallic compositions