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经营范围
发明名称
COMPRESSORS AND EXPANDERS FOR NOISE REDUCTION SYSTEMS
摘要
申请公布号
US3665345(A)
申请公布日期
1972.05.23
申请号
US19700055201
申请日期
1970.07.15
申请人
DOLBY LABORATORIES INC.
发明人
RAY MILTON DOLBY
分类号
H04B1/62;G11B20/04;H03G7/00;H03G9/02;H03G9/18;H04B1/64;(IPC1-7):H04B1/64;H03G5/16;H03H7/10
主分类号
H04B1/62
代理机构
代理人
主权项
地址
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