Foreign languages (with audible presentation of material to be studied G09B5/04)

Full Title

Teaching not covered by other main groups of this subclass (teaching or practice apparatus for gun-aiming or gun-laying F41G3/26) > Foreign languages (with audible presentation of material to be studied G09B5/04)

Child Classifications

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• G09B 19/08 Printed or written appliances, e.g. text books, bilingual letter assemblies, charts