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发明名称
Verfahren zum optischen Abtasten von Schwingungsaufzeichnungen.
摘要
申请公布号
AT139221(B)
申请公布日期
1934.10.25
申请号
ATD139221
申请日期
1933.09.05
申请人
DR. BARUCH KOHN
发明人
DR. BARUCH KOHN
分类号
主分类号
代理机构
代理人
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