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经营范围
发明名称
SURFACE ACOUSTIC WAVE DEVICE
摘要
申请公布号
GB8729430(D0)
申请公布日期
1988.02.03
申请号
GB19870029430
申请日期
1987.12.17
申请人
RAYTHEON CO
发明人
分类号
H03H3/08;H03H3/10;H03H9/02;H03H9/05;H03H9/25
主分类号
H03H3/08
代理机构
代理人
主权项
地址
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