Loose-leaf box-file - has external locking devices in end walls adjusting internal plate holding sheets upright

摘要

The loose-leaf box-file has locking devices (o,f) in opposite end walls (a,c). They can be operated from outside. The devices steplessly adjust a holding plate(e) on the inside. The holding device secures the sheets upright and prevents their distortion. ADVANTAGE - No need to perforate the sheets.