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经营范围
发明名称
SOUND RECORDING APPARATUS
摘要
申请公布号
US4133010(A)
申请公布日期
1979.01.02
申请号
US19770793868
申请日期
1977.05.04
申请人
AGFA-GEVAERT AG
发明人
ROSSBACH, HORST
分类号
G11B5/027;G03B31/02;G11B5/02;G11B23/00;(IPC1-7):G11B5/02
主分类号
G11B5/027
代理机构
代理人
主权项
地址
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