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Inventor
HASSELBACH WOLFGANG
2 patents
Patents
2 patents
US4138593A
Feb 6, 1979
Moving voice coil loudspeaker with heat dissipating enclosure
BRAUN AG
28 citations
77
US4230907A
Oct 28, 1980
Dynamic loudspeaker able to be driven at increased steady power
BRAUN AG
11 citations
68