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发明名称
FREQUENCY SPECTRUM ANALYZING DEVICE
摘要
申请公布号
JPH01163628(A)
申请公布日期
1989.06.27
申请号
JP19870321261
申请日期
1987.12.21
申请人
HITACHI LTD
发明人
MASUDA TOSHIYA
分类号
G01H3/08
主分类号
G01H3/08
代理机构
代理人
主权项
地址
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