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经营范围
发明名称
ELEVATOR
摘要
申请公布号
SU1432184(A1)
申请公布日期
1988.10.23
申请号
SU19864068511
申请日期
1986.03.17
申请人
VOSTOCHNYJ NI NEFTEGAZOVYJ I PO TEKHNIKE BEZOPASNOSTI PROMSANITARII
发明人
AKHMETZYANOV SABIT S,SU;RASSKAZOV VALERIJ A,SU;BOGDANOV YURIJ N,SU;MALOYAROSLAVTSEV DMITRIJ A,SU
分类号
E21B19/06
主分类号
E21B19/06
代理机构
代理人
主权项
地址
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