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发明名称
Piezoelektrisches Kristallelement.
摘要
申请公布号
CH288572(A)
申请公布日期
1953.01.31
申请号
CHD288572
申请日期
1950.06.21
申请人
BECHMANN,RUDOLF
发明人
BECHMANN,RUDOLF
分类号
H03H9/02;H03H9/17
主分类号
H03H9/02
代理机构
代理人
主权项
地址
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