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经营范围
发明名称
ECHO ANALYSER
摘要
申请公布号
PL111225(B2)
申请公布日期
1980.08.30
申请号
PL19770201020
申请日期
1977.09.22
申请人
发明人
分类号
G01D;G01S;(IPC1-7):G01S9/70
主分类号
G01D
代理机构
代理人
主权项
地址
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