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经营范围
发明名称
MACHINE FOR SINKING ADVANCING ROOF SUPPORT
摘要
申请公布号
SU926311(A1)
申请公布日期
1982.05.07
申请号
SU19782712141
申请日期
1978.12.18
申请人
PODMOSKOVNYJ NI PK UGOLNYJ INSTITUT
发明人
ROMANOV PAVEL D,SU;NIKOLAEV VLADIMIR L,SU;ZENYAKIN VIKTOR N,SU;SEMENOV VALERIJ N,SU;CHENDEV FEDOR S,SU
分类号
E21D13/04;(IPC1-7):E21D13/04
主分类号
E21D13/04
代理机构
代理人
主权项
地址
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