Use of specific polymers obtained by polycondensation or polyaddition, not provided for in a single one of main groups B29K2859/00 - B29K2885/00, as mould material

Patents Grantslast 30 patents

  • Information Patent Grant

    2017216

    • Patent number 2,017,216
    • Issue date Oct 15, 1935
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents