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经营范围
发明名称
SURFACE ACOUSTIC WAVE DEVICE
摘要
申请公布号
JPH02278909(A)
申请公布日期
1990.11.15
申请号
JP19890099129
申请日期
1989.04.19
申请人
SEIKO EPSON CORP
发明人
MORITA YOSHIO
分类号
H03H9/145
主分类号
H03H9/145
代理机构
代理人
主权项
地址
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