FR697193A - Dispositif pour l'absorption des vibrations et des sons produits dans les mécanismes de transmission de machines parlantes et simiiaires
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Dispositif pour l'absorption des vibrations et des sons produits dans les mécanismes de transmission de machines parlantes et simiiaires
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G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
FR697193D1929-07-311930-06-11Dispositif pour l'absorption des vibrations et des sons produits dans les mécanismes de transmission de machines parlantes et simiiaires
ExpiredFR697193A
(fr)