KNOWLEDGE TESTING UNIT

FIELD: selective knowledge testing. SUBSTANCE: device has base which is located in housing and is designed as matrix with holes in which punch dies with response choice members are located. In addition device has task codes unit which is designed as cube or polyhedron each of which planes is represe...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	IVANOV IGOR' SERAFIMOVICH
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES PHYSICS PLANETARIA SEALS
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