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发明名称
DEVICE FOR PREVENTING FACE FROM COLLAPSING
摘要
申请公布号
SU1046535(A1)
申请公布日期
1983.10.07
申请号
SU19823440222
申请日期
1982.05.20
申请人
NI GORNORUDNYJ INSTITUT
发明人
URVANTSEV VIKTOR P,SU;LITVINYUK ALEKSANDR F,SU;TENYAKOV EVGENIJ N,SU;KALMANOV SERGEJ I,SU;AVRUSHKIN EVEL G,SU;PYATNITSA MIKHAIL A,SU;PUGACH DMITRIJ A,SU;BOGACH VLADIMIR S,SU
分类号
E21D23/06;(IPC1-7):E21D23/06
主分类号
E21D23/06
代理机构
代理人
主权项
地址
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