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发明名称
Verfahren und Vorrichtung zur mechanischen Herstellung einer vorzugsweise auf optischem Wege wiederzugebenden Schwingungsaufzeichnung, insbesondere Schallaufzeichnung auf einem Träger.
摘要
申请公布号
AT146275(B)
申请公布日期
1936.06.25
申请号
ATD146275
申请日期
1935.03.12
申请人
PHILIPS-MILLER N. V.
发明人
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