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Communication devices for people with disabilities--Design and construction (1) |
HV2502 .H88 1996 (1) |
Product design (1) |
Telecommunications devices for the deaf--Design and construction (1) |
Communication devices for people with disabilities--Design and construction (1) |
HV2502 .H88 1996 (1) |
Product design (1) |
Telecommunications devices for the deaf--Design and construction (1) |