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发明名称
UNIVERSAL PREVENTER
摘要
申请公布号
RU1838579(C)
申请公布日期
1993.08.30
申请号
SU19904836462
申请日期
1990.06.07
申请人
PROIZVODSTVENNOE OB"EDINENIE BUMAGODELATELNOGO MASHINOSTROENIYA
发明人
TERSAKOV BORIS V
分类号
E21B33/06
主分类号
E21B33/06
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