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发明名称
ELECTRO MECHANICAL FILTERS
摘要
申请公布号
GB1328343(A)
申请公布日期
1973.08.30
申请号
GBD1328343
申请日期
1969.09.17
申请人
MULLARD LTD
发明人
分类号
H03H9/145;H03H3/08;H03H9/02;H03H9/64;(IPC1-7):H03H9/20
主分类号
H03H9/145
代理机构
代理人
主权项
地址
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