TREA

the elements being stiff plates or cards

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Industry

  • CPC
  • G09F11/06
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Parent Industries

GPHYSICS G09Cryptography, education, displays G09FDISPLAYING ADVERTISING SIGNS LABELS OR NAME-PLATES SEALS G09F11/00Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position

Current Industry

G09F11/06the elements being stiff plates or cards
Industries