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发明名称
Piezoelektrischer Quarzkristall laenglicher Gestalt
摘要
申请公布号
DE1051915(B)
申请公布日期
1959.03.05
申请号
DE1957N014461
申请日期
1957.12.17
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
FRANX CORNELIS
分类号
H03H9/19;H03H9/54
主分类号
H03H9/19
代理机构
代理人
主权项
地址
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