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经营范围
发明名称
AUDIO NOISE SUPPRESSOR
摘要
申请公布号
JPH0316003(A)
申请公布日期
1991.01.24
申请号
JP19900126694
申请日期
1990.05.18
申请人
HITACHI LTD
发明人
ITO SHIGEYUKI;WATAYA YOSHIZUMI
分类号
G11B5/027
主分类号
G11B5/027
代理机构
代理人
主权项
地址
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