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发明名称
BEARING ROW OF LOGS FOR UPRIGHT PITS TIMBERING
摘要
申请公布号
SU563499(A1)
申请公布日期
1977.06.30
申请号
SU19762333113
申请日期
1976.03.09
申请人
VNII GORNOJ GEOMEKHANIKI MARKSHEJDERSKOGO DELA
发明人
BORISOVETS VLADIMIR A,SU;SAVELEV ARTUR ,SU
分类号
E21D5/016;(IPC1-7):E21D5/01
主分类号
E21D5/016
代理机构
代理人
主权项
地址
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