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经营范围
发明名称
ELASTIC SURFACE WAVE FILTER DEVICE
摘要
申请公布号
JPS5737918(B2)
申请公布日期
1982.08.12
申请号
JP19720099516
申请日期
1972.10.04
申请人
发明人
分类号
G06F3/05;G05B21/02;G08C25/00
主分类号
G06F3/05
代理机构
代理人
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地址
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