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发明名称
Fassung fuer piezoelektrische Schwingkristalle
摘要
申请公布号
DE764652(C)
申请公布日期
1954.08.02
申请号
DE1941S148158D
申请日期
1941.12.19
申请人
SIEMENS & HALSKE A. G.
发明人
BECKERATH HANS V. DIPL.-ING.;RETZLAFF HEINZ
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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