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发明名称
Verfahren zur Pruefung von Schallmesspeilgeraeten
摘要
申请公布号
DE684214(C)
申请公布日期
1939.11.24
申请号
DE1936SC09291D
申请日期
1936.02.21
申请人
DR.-ING. OTTO SCHWAB
发明人
分类号
G01S7/52
主分类号
G01S7/52
代理机构
代理人
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