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发明名称
Hermetic variable gap crystal holder
摘要
申请公布号
US2624854(A)
申请公布日期
1953.01.06
申请号
US19510212765
申请日期
1951.02.26
申请人
MILLER AUGUST E
发明人
MILLER AUGUST E.
分类号
H03H9/09;H03H9/10
主分类号
H03H9/09
代理机构
代理人
主权项
地址
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