CH563633A5CH1142773ACH1142773ACH563633A5CH 563633 A5CH563633 A5CH 563633A5CH 1142773 ACH1142773 ACH 1142773ACH 1142773 ACH1142773 ACH 1142773ACH 563633 A5CH563633 A5CH 563633A5
Authority
CH
Switzerland
Application number
CH1142773A
Original Assignee
Akad Verlag Ag
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 filed by Akad Verlag AgfiledCriticalAkad Verlag Ag
Priority to CH1142773ApriorityCriticalpatent/CH563633A5/xx
Priority to DE19732343481prioritypatent/DE2343481C2/de
Priority to AT760173Aprioritypatent/AT345593B/de
Publication of CH563633A5publicationCriticalpatent/CH563633A5/xx
G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
G09B19/00—Teaching not covered by other main groups of this subclass
G09B19/06—Foreign languages
G09B19/08—Printed or written appliances, e.g. text books, bilingual letter assemblies, charts