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PCE
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DIFF Subgroup
G09B 21/02

Devices for Braille writing (typewriters for Braille B41J3/32)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Devices for Braille writing

CPC: Devices for Braille writing (typewriters for Braille B41J3/32)

Full Title

Full titles differ between systems:

IPC:

Teaching, or communicating with, the blind, deaf or mute > Devices for Braille writing

CPC:

Teaching, or communicating with, the blind, deaf or mute (audible presentation of material to be studied G09B5/04; devices or methods for replacing direct visual or auditory perception by another kind of perception A61F9/08, A61F11/04; audible indication of meter readings or of colour G01D7/12; watches for blind persons G04B25/02; speech analysis, speech recognition G10L; sound-recording or reproducing, per se G11B) > Devices for Braille writing (typewriters for Braille B41J3/32)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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