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经营范围
发明名称
VARIABLE VOLTAGE PHASE SHIFTER
摘要
申请公布号
JPH0326015(A)
申请公布日期
1991.02.04
申请号
JP19890159587
申请日期
1989.06.23
申请人
NEC CORP
发明人
TAKAHASHI MASARU
分类号
H03H11/20
主分类号
H03H11/20
代理机构
代理人
主权项
地址
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