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发明名称
Infra-sonic detector and alarm with self adjusting reference
摘要
申请公布号
US4991145(A)
申请公布日期
1991.02.05
申请号
US19890361027
申请日期
1989.06.02
申请人
RABBIT SYSTEMS, INC.
发明人
GOLDSTEIN, STEVEN G.;RANDALL, JAMES E.;DATTILO, JOSEPH A.;VANYEK, GARY E.
分类号
G01V1/00;B60R25/10;G08B13/16;G08B13/20;G08B15/00;G08B21/00
主分类号
G01V1/00
代理机构
代理人
主权项
地址
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