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经营范围
发明名称
ELEVATOR
摘要
申请公布号
SU1002509(A1)
申请公布日期
1983.03.07
申请号
SU19813353675
申请日期
1981.11.13
申请人
VOSTOCHNYJ NI NEFTEGAZOVYJ I PO TEKHNIKE BEZOPASNOSTI PROMSANITARII
发明人
RASTORGUEV MIKHAIL A,SU;MALOYAROSLAVTSEV DMITRIJ A,SU;ZANILOV IVAN F,SU;TUKAEV SHAMIL V,SU;PROKOPOV OLEG I,SU
分类号
E21B19/06;(IPC1-7):E21B19/06
主分类号
E21B19/06
代理机构
代理人
主权项
地址
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