Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Publication of BE708708ApublicationCriticalpatent/BE708708A/xx
B42F15/0011—Suspended filing appliances for sheets, stacks of temporarily bound sheets
B42F15/0017—Suspended filing appliances for sheets, stacks of temporarily bound sheets for filing individual loose sheets
B42F15/0023—Suspended filing appliances for sheets, stacks of temporarily bound sheets for filing individual loose sheets with single suspension means
B42F15/0035—Suspended filing appliances for sheets, stacks of temporarily bound sheets for filing individual loose sheets with single suspension means suspended at both extremities
B—PERFORMING OPERATIONS; TRANSPORTING
B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER