TREA

Expansible cover splines or spines

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Industry

  • CPC
  • B42F13/38
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B42Bookbinding B42FSHEETS TEMPORARILY ATTACHED TOGETHER FILING APPLIANCES FILE CARDS INDEXING B42F13/00Filing appliances with means for engaging perforations or slots

Current Industry

B42F13/38Expansible cover splines or spines
Industries