DIFF Subgroup
G09B 19/06 Foreign languages (with audible presentation of material to be studied G09B5/04)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Foreign languages
CPC: Foreign languages (with audible presentation of material to be studied G09B5/04)
Full Title
Full titles differ between systems:
IPC:
Teaching not covered by other main groups of this subclass > Foreign languages
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)
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G09B 19/08 Printed or written appliances, e.g. text books, bilingual letter assemblies, charts IPC+CPC Available in IPC and CPC