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发明名称
FILTRO ELETROMECANICO DE DERIVACAO
摘要
申请公布号
BR7504218(A)
申请公布日期
1977.02.23
申请号
5398/75
申请日期
1975.07.04
申请人
NIPPON ELECTRIC CO LTD
发明人
KANAZAWA S;YANO T
分类号
H03H9/00;(IPC1-7):H03H9/00
主分类号
H03H9/00
代理机构
代理人
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地址
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