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经营范围
发明名称
DIGITAL PHASE SHIFTER
摘要
申请公布号
GB8903965(D0)
申请公布日期
1989.04.05
申请号
GB19890003965
申请日期
1989.02.22
申请人
STC PLC
发明人
分类号
H03K5/00;H03K5/13;H03K5/15
主分类号
H03K5/00
代理机构
代理人
主权项
地址
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