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经营范围
发明名称
QUADRATURE MODULATOR
摘要
申请公布号
GB9008262(D0)
申请公布日期
1990.06.13
申请号
GB19900008262
申请日期
1990.04.11
申请人
TELENOKIA OY
发明人
分类号
H03C1/52
主分类号
H03C1/52
代理机构
代理人
主权项
地址
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