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发明名称
Improvements in or relating to electro-mechanical resonators
摘要
申请公布号
GB840816(A)
申请公布日期
1960.07.13
申请号
GB19570007452
申请日期
1957.03.06
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;CYRIL JOHN DREDGE;ERIC EDWARD RICHES
发明人
分类号
H03H9/17;H03H9/24
主分类号
H03H9/17
代理机构
代理人
主权项
地址
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