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发明名称
POWERED SUPPORT SECTION
摘要
申请公布号
SU1134730(A1)
申请公布日期
1985.01.15
申请号
SU19823427888
申请日期
1982.04.23
申请人
PODMOSKOVNYJ NI PK UGOLNYJ INSTITUT
发明人
PRONIN PETR P,SU;POTAPOV VALENTIN D,SU;NIKOLAEV STANISLAV V,SU;POPOV ANATOLIJ G,SU;ROMANOV PAVEL D,SU
分类号
E21D23/04;(IPC1-7):E21D23/04
主分类号
E21D23/04
代理机构
代理人
主权项
地址
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