TREA

Devices for closing envelopes

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Industry

  • CPC
  • B43M5/00
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43MBUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR

Current Industry

B43M5/00Devices for closing envelopes

Sub Industries

B43M5/02Hand devices for both moistening gummed flaps of envelopes and for closing the envelopes B43M5/025portable hand tools B43M5/04automatic B43M5/042for envelopes with only one flap B43M5/045using heat-sensitive adhesive B43M5/047using pressure-sensitive adhesive
Industries