DEVICE FOR MEASURING STRESSES IN ROCKS

申请公布号：SU763595(A1)

申请号：SU19742083443

申请日期：1974.12.04

申请公布日期：1980.09.15

申请人：

INST GORNOGO DELA SO AN SSSR

发明人：KULAKOV GENNADIJ ,SU;MIRENKOVA GALINA N,SU

分类号：E21C39/00;(IPC1-7):E21C39/00

主分类号：E21C39/00

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