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经营范围
发明名称
POWER ROOF SUPPORT
摘要
申请公布号
SU875086(A1)
申请公布日期
1981.10.23
申请号
SU19802882722
申请日期
1980.02.14
申请人
REVKOV MIKHAIL N,SU;CHERNYKH NIKOLAJ G,SU
发明人
REVKOV MIKHAIL N,SU;CHERNYKH NIKOLAJ G,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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