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发明名称
PROGRAMMABLE ATTENUATOR
摘要
申请公布号
JPH029212(A)
申请公布日期
1990.01.12
申请号
JP19880159013
申请日期
1988.06.27
申请人
SHIBASOKU CO LTD
发明人
HIRANUMA UMIHIRO
分类号
H03H7/24
主分类号
H03H7/24
代理机构
代理人
主权项
地址
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