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发明名称
Verfahren und Vorrichtung zur Herstellung von Piezokristallplättchen.
摘要
申请公布号
CH254388(A)
申请公布日期
1948.04.30
申请号
CHD254388
申请日期
1945.12.20
申请人
STANDARD TELEPHON UND RADIO AG.
发明人
AG. STANDARD TELEPHON UND RADIO
分类号
B24B9/06
主分类号
B24B9/06
代理机构
代理人
主权项
地址
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