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经营范围
发明名称
MONOLITHIC CRYSTAL FILTER
摘要
申请公布号
JPS52132655(A)
申请公布日期
1977.11.07
申请号
JP19770047461
申请日期
1977.04.26
申请人
NORTHERN TELECOM LTD
发明人
HENRII KAI HEN II
分类号
H01L41/00;H03H9/54;H03H9/56;H03H9/60
主分类号
H01L41/00
代理机构
代理人
主权项
地址
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