with static field means

Industry

  • CPC
  • D01H11/008
This industry / category may be too specific. Please go to a parent level for more data

Patents Grantslast 30 patents

  • Information Patent Grant

    3665694

    • Patent number 3,665,694
    • Issue date May 30, 1972
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING