WILLCO
DIAGONOSTIC AND CORRECTIVE EQUIPMENT FOR SPEECH AND HEARING PROBLEMS, NAMELY - HEARING AIDS, ELECTRO ACOUSTIC TRANSDUCERS CONSISTING OF MICROPHONES AND EARPHONES, AUDIOMETERS, COMBINATION GLASS FRAMES AND HEARING AIDS, AND ELECTRICAL SPEECH AIDING DEVICES FOR USE AFTER THROAT OPERATION
Cancelled · September 24, 1982 · 73388952 ·