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经营范围
发明名称
DYNAMIC NOISE REDUCTION CIRCUIT
摘要
申请公布号
JPH01256875(A)
申请公布日期
1989.10.13
申请号
JP19880084186
申请日期
1988.04.07
申请人
HITACHI LTD
发明人
NAOI NOBUAKI;TAKEDA KATSUNOBU;YOSHIKI IKUO
分类号
H04N5/21
主分类号
H04N5/21
代理机构
代理人
主权项
地址
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