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发明名称
DEVICE FOR IMPROVING THE OPERATION OF ELECTRIC FILTERS
摘要
申请公布号
YU42145(B)
申请公布日期
1988.06.30
申请号
YU19760002154
申请日期
1976.09.02
申请人
ANDREE LEOPOLD
发明人
ANDREE LEOPOLD;ANDREE LEOPOLD
分类号
B03C3/16;(IPC1-7):B03C3/02
主分类号
B03C3/16
代理机构
代理人
主权项
地址
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