3733174

Information

• Patent Grant
• 3733174

• References
• Source

• Patent Number

  3,733,174

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1973
  51 years ago

• CPC

  • C21D9/663 - Bell-type furnaces

• US Classifications

  • 432 - Heating
  • 266 - Metallurgical apparatus