TY  - BOOK
ED  - WIPO
TI  - Patent Landscape Report on Assistive Devices and Technologies for Visually and Hearing Impaired Persons
SN  - 9789280521658
U1  - 305.908 22
PY  - 2015///
CY  - s.l.
PB  - WIPO
KW  - Visually and hearing impaired persons
ER  -