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经营范围
发明名称
INRICHTING VOOR HET DETECTEREN VAN AKOESTISCHE DRUKGOLVEN.
摘要
申请公布号
NL161891(B)
申请公布日期
1979.10.15
申请号
NL19750005622
申请日期
1975.05.14
申请人
WHITEHALL CORPORATION, DALLAS, TEXAS, VER. ST. V. AM.
发明人
分类号
G01S1/72;(IPC1-7):G01V1/16;G01V1/22;H03F3/70
主分类号
G01S1/72
代理机构
代理人
主权项
地址
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