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发明名称
SHAPER OF SIGNALS REPRESENTING LEVEL OF LIQUIDS AND LOOSE MATERIALS
摘要
申请公布号
SU1240882(A1)
申请公布日期
1986.06.30
申请号
SU19843810719
申请日期
1984.09.22
申请人
SVETLICHNYJ IVAN S,SU;GELFAND VLADIMIR,SU
发明人
SVETLICHNYJ IVAN S,SU;GELFAND VLADIMIR I,SU
分类号
E21B47/04;G01F23/24
主分类号
E21B47/04
代理机构
代理人
主权项
地址
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