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经营范围
发明名称
Piezoelektrischer Oscillator oder Resonator aus Turmalin
摘要
申请公布号
DE612997(C)
申请公布日期
1935.05.09
申请号
DE1931ST47415D
申请日期
1931.04.02
申请人
FIRMA CARL ZEISS;FIRMA CARL ZEISS
发明人
分类号
H03H9/17
主分类号
H03H9/17
代理机构
代理人
主权项
地址
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