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发明名称
MULTISTAGE CONNECTION TYPE PIEZOELECTRIC FILTER
摘要
申请公布号
JPH03117109(A)
申请公布日期
1991.05.17
申请号
JP19890254223
申请日期
1989.09.29
申请人
NIPPON DEMPA KOGYO CO LTD
发明人
KAWAKAMI SHIN
分类号
H03H9/205;H03H9/56;H03H9/58
主分类号
H03H9/205
代理机构
代理人
主权项
地址
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