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发明名称
ROTARY PLANIMETER
摘要
申请公布号
SU872988(A1)
申请公布日期
1981.10.15
申请号
SU19792852519
申请日期
1979.12.14
申请人
VNII BUROVOJ TEKHNIKI
发明人
SIDORENKO PAVEL I,SU;RAJKHERT LYUDVIG A,SU;PLAKHETKO IGOR V,SU
分类号
E21B44/04;E21B44/00;G01L3/14;(IPC1-7):G01L3/14
主分类号
E21B44/04
代理机构
代理人
主权项
地址
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