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经营范围
发明名称
SURFACE ACOUSTIC WAVE FILTER
摘要
申请公布号
JPH04122115(A)
申请公布日期
1992.04.22
申请号
JP19900243161
申请日期
1990.09.13
申请人
NEC CORP
发明人
SUDA HIROSHI
分类号
H03H9/145;H03H9/64;H03H9/70
主分类号
H03H9/145
代理机构
代理人
主权项
地址
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