1947138

Information

• Patent Grant
• 1947138

• References
• Source

• Patent Number

  1,947,138

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1934
  91 years ago

• CPC

  • C05B19/02 - of superphosphates or mixtures containing them

• US Classifications

  • 071 - Chemistry: fertilizers