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发明名称
摘要
申请公布号
JPH01180680(U)
申请公布日期
1989.12.26
申请号
JP19880072582U
申请日期
1988.05.30
申请人
发明人
分类号
G01V1/00;G01S7/52;G01S7/521;H04R17/00;(IPC1-7):G01S7/52
主分类号
G01V1/00
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