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经营范围
发明名称
AUTOMATIC GAIN CONTROLLER
摘要
申请公布号
JPH02161621(A)
申请公布日期
1990.06.21
申请号
JP19880315954
申请日期
1988.12.14
申请人
ASAHI OPTICAL CO LTD
发明人
MIZUGUCHI NAOSHI
分类号
G11B7/085
主分类号
G11B7/085
代理机构
代理人
主权项
地址
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