An apparatus for the binding of type "with spiral" of perforated loose leaves. (Machine-translation by Google Translate, not legally binding)
HU175992B
Device for continuours or intermittent automatized connecting loose perforated sheets
EG12918A
Apparatus for binding loose perforated sheets for albums,copy-books,calendars and the like
DE2325867A1
DEVICE FOR BINDING A PERFORATED STACK OF SHEETS
ES406171A3
Improvements in apparatus for continuous or intermittent automatic binding, of perforated loose leaves. (Machine-translation by Google Translate, not legally binding)
CA923257A
Method and apparatus for binding packets of sheet material
FR1491042A
Cover with an attached image, applied or inserted for notebooks, albums, books and similar articles, for didactic-scientific purpose
GB1133153A
Method and apparatus for binding loose sheets
US3334918A
Method and apparatus for binding loose sheets
FR1451706A
Method and apparatus for automatically and continuously binding perforated loose sheets
