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ERIC MUGNUS CAMPBELL TIGERSTED
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ERIC MUGNUS CAMPBELL TIGERSTED
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Application filed by ERIC MUGNUS CAMPBELL TIGERSTEDfiledCriticalERIC MUGNUS CAMPBELL TIGERSTED
Application grantedgrantedCritical
Publication of FR478130ApublicationCriticalpatent/FR478130A/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)
FR478130D1914-03-301915-03-24Mode et dispositif de transmission des ondes sonores
ExpiredFR478130A
(fr)