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经营范围
发明名称
Attenuator apparatus
摘要
申请公布号
GB1116730(A)
申请公布日期
1968.06.12
申请号
GB19660049125
申请日期
1966.11.02
申请人
TEKTRONIC INC.
发明人
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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