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发明名称
DISPOSICIoN PARA IMPRESIONAR OSCILACIONES ACuSTICAS
摘要
申请公布号
ES143321(A1)
申请公布日期
1937.02.01
申请号
ES19210001433
申请日期
1936.12.14
申请人
R.S. RONANG, A.G.
发明人
分类号
(IPC1-7):G01S;G10;H03
主分类号
(IPC1-7):G01S
代理机构
代理人
主权项
地址
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