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经营范围
发明名称
BLOCK LAYER
摘要
申请公布号
SU563500(A1)
申请公布日期
1977.06.30
申请号
SU19742032934
申请日期
1974.06.10
申请人
ZIMENS PTR P,SU;MRTYNOV SRGEJ E,SU
发明人
ZIMENS PTR P,SU;MRTYNOV SRGEJ E,SU
分类号
E21D11/07;(IPC1-7):E21D11/07
主分类号
E21D11/07
代理机构
代理人
主权项
地址
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