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发明名称
Geraet zum Anzeigen einer Schallwellen-Energierichtung
摘要
申请公布号
DE548497(C)
申请公布日期
1932.04.13
申请号
DED548497D
申请日期
1930.05.16
申请人
SIEMENS-SCHUCKERTWERKE AKT.-GES.
发明人
LUEBCKE DR. ERNST
分类号
G01S1/72
主分类号
G01S1/72
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