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发明名称
EFFORT MEASURING AND RECORDING APPARATUS
摘要
申请公布号
SU747989(A1)
申请公布日期
1980.07.15
申请号
SU19782612471
申请日期
1978.05.04
申请人
MAGERAMOV ADIL F,SU
发明人
MAGERAMOV ADIL F,SU
分类号
E21B47/00;(IPC1-7):E21B47/00
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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