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发明名称
SANITARY SIGHT INDICATOR
摘要
申请公布号
CA2096739(A1)
申请公布日期
1993.03.25
申请号
CA19922096739
申请日期
1992.09.23
申请人
CLARK-RELIANCE CORPORATION
发明人
BROWN, DAVID E.;PURCEL, DAVID E.
分类号
G01F23/02;G01N21/01;G01N21/85;G01P13/00;G02B7/00
主分类号
G01F23/02
代理机构
代理人
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地址
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