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经营范围
发明名称
MICROWAVE FREQUENCY CONVERTER
摘要
申请公布号
EP0389025(B1)
申请公布日期
1993.02.03
申请号
EP19900200551
申请日期
1990.03.09
申请人
SIEMENS TELECOMUNICAZIONI S.P.A.
发明人
CREMA, STEFANO;PILONI, MARCO
分类号
H01P5/10;H03D7/14;H03D9/06
主分类号
H01P5/10
代理机构
代理人
主权项
地址
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