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发明名称
Piezoelectric device holder
摘要
申请公布号
US2293485(A)
申请公布日期
1942.08.18
申请号
US19410417816
申请日期
1941.11.04
申请人
GENERAL ELECTRIC COMPANY
发明人
BALDWIN CHARLES F.
分类号
H03H9/05
主分类号
H03H9/05
代理机构
代理人
主权项
地址
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