2133881

Information

• Patent Grant
• 2133881

• References
• Source

• Patent Number

  2,133,881

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1938
  86 years ago

• CPC

  • B41F9/008 - Means for preventing egress of vapours

• US Classifications

  • 101 - Printing