Printed or written appliances, e.g. text books, bilingual letter assemblies, charts

Introduced: September 1968

Title

Titles differ between systems:

IPC: Printed or written appliances, e.g. textbooks, bilingual letter assemblies, charts

CPC: Printed or written appliances, e.g. text books, bilingual letter assemblies, charts

Full Title

Full titles differ between systems:

IPC:

Teaching not covered by other main groups of this subclass > Foreign languages > Printed or written appliances, e.g. textbooks, bilingual letter assemblies, charts

CPC:

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) > Printed or written appliances, e.g. text books, bilingual letter assemblies, charts

No child classifications to compare. This is a leaf node in both IPC and CPC.