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BORING MACHINE AUTOMATIC POSITIONING DEVICE

申请公布号:SU311005(A1)

申请号:SU19701488449

申请日期:1970.11.09

申请公布日期:1977.12.05

申请人:
INST GORNOGO DELA AN KAZAKHSKOJ SSR

发明人:TKACHENKO A.M.,SU;MUSTAFIN K.B.,SU;STARODUBOV G.A.,SU

分类号:E21D9/10;E21B44/00;(IPC1-7):E21C11/00

主分类号:E21D9/10

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