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发明名称
ELEKTROMECHANISCHES FILTER
摘要
申请公布号
DE1816684(B2)
申请公布日期
1971.08.15
申请号
DE19681816684
申请日期
1968.12.23
申请人
发明人
分类号
H03H9/46;H03H9/54;H03H9/56;(IPC1-7):H03H9/32
主分类号
H03H9/46
代理机构
代理人
主权项
地址
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