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经营范围
发明名称
POWERED ROOF SUPPORT UNIT
摘要
申请公布号
SU810984(A1)
申请公布日期
1981.03.07
申请号
SU19792766078
申请日期
1979.05.10
申请人
PODMOSKOVNYJ NI PK UGOLNYJ INSTITUT
发明人
SHCHERBENKO VLADIMIR N,SU;BUDNIK VASILIJ M,SU;POPOV VALERIJ L,SU;STEPANOV VLADIMIR M,SU
分类号
E21D23/00;(IPC1-7):E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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