Patent landscape report on Assistive devices and technologies for visually and hearing impaired persons /
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| Main Authors: | , |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Geneva :
WIPO,
2015
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| Series: | WIPO publication ;
No. 949/1E |
| Subjects: | |
| ISBN: | 9789280521658 |
| Online Access: |
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