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Signal GmbH
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Signal GmbH
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Application filed by Signal GmbHfiledCriticalSignal GmbH
Application grantedgrantedCritical
Publication of FR466169ApublicationCriticalpatent/FR466169A/fr
G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
G10K7/00—Sirens
Landscapes
Physics & Mathematics
(AREA)
Engineering & Computer Science
(AREA)
Acoustics & Sound
(AREA)
Multimedia
(AREA)
FR466169D1912-12-171913-12-13Dispositif pour faire fonctionner les émetteurs d'appareils acoustiques sous-marins
ExpiredFR466169A
(fr)