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发明名称
ULTRASCHALLGEBER
摘要
申请公布号
DE3038975(A1)
申请公布日期
1981.05.07
申请号
DE19803038975
申请日期
1980.10.15
申请人
PANAMETRICS INC.
发明人
C. LYNNWORTH,LAWRENCE
分类号
H04R1/00;G01F1/66;G01F15/18;G01N29/24;(IPC1-7):G01H5/00;G01P5/00
主分类号
H04R1/00
代理机构
代理人
主权项
地址
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