CH601774A5CH986776ACH986776ACH601774A5CH 601774 A5CH601774 A5CH 601774A5CH 986776 ACH986776 ACH 986776ACH 986776 ACH986776 ACH 986776ACH 601774 A5CH601774 A5CH 601774A5
Authority
CH
Switzerland
Application number
CH986776A
Inventor
Rudolf Schumann
Original Assignee
Zeiss Jena Veb Carl
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 Zeiss Jena Veb CarlfiledCriticalZeiss Jena Veb Carl
Publication of CH601774A5publicationCriticalpatent/CH601774A5/xx
G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
G09B29/00—Maps; Plans; Charts; Diagrams, e.g. route diagram