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发明名称
PROFILE INDICATOR OF BOILER CAVITIES
摘要
申请公布号
RU1778284(C)
申请公布日期
1992.11.30
申请号
SU19904682072
申请日期
1990.04.01
申请人
"TREST "SOYUZMELIOVZRYVPROM"
发明人
GAVRICH EVGENIJ F,SU
分类号
E21B47/08
主分类号
E21B47/08
代理机构
代理人
主权项
地址
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