1979134

Information

• Patent Grant
• 1979134

• References
• Source

• Patent Number

  1,979,134

• Date Filed

  Not available

• Date Issued

  Tuesday, October 30, 1934
  90 years ago

• CPC

  • B21D3/08 - which move in an orbit without rotating round the work

• US Classifications

  • 072 - Metal deforming