with means preventing spontaneous ignition

Industry

  • CPC
  • A24F27/18
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Patents Grantslast 30 patents

  • Information Patent Grant

    2212773

    • Patent number 2,212,773
    • Issue date Aug 27, 1940
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents