TREA

being incandescent filaments

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Industry

  • CPC
  • G09F9/307
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Parent Industries

GPHYSICS G09Cryptography, education, displays G09FDISPLAYING ADVERTISING SIGNS LABELS OR NAME-PLATES SEALS G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements

Current Industry

G09F9/307being incandescent filaments
Industries