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发明名称
Art of mounting piezoelectric crystals
摘要
申请公布号
US2258967(A)
申请公布日期
1941.10.14
申请号
US19400343140
申请日期
1940.06.29
申请人
RADIO CORPORATION OF AMERICA
发明人
BOKOVOY SAMUEL A.
分类号
H03H9/09
主分类号
H03H9/09
代理机构
代理人
主权项
地址
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