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发明名称
DIGITAL COMMUNICATION CIRCUIT AND SWITCHING METHOD OF VOLTAGE LEVEL
摘要
申请公布号
JPH02294139(A)
申请公布日期
1990.12.05
申请号
JP19900091992
申请日期
1990.04.06
申请人
HEWLETT PACKARD CO <HP>
发明人
RICHIYAADO ERU UIIRAA
分类号
H03K19/0175;H04L25/02
主分类号
H03K19/0175
代理机构
代理人
主权项
地址
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