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发明名称
Improved method and device for the mechanical recording of sound or other oscillations
摘要
申请公布号
GB440861(A)
申请公布日期
1936.01.07
申请号
GB19350008146
申请日期
1935.03.15
申请人
PHILIPS-MILLER N.V.
发明人
分类号
G11B3/00
主分类号
G11B3/00
代理机构
代理人
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