Dispositif pour le fonçage de puits verticaux von LITVIN A. Z, MALIOVANOV D. I, PRUZHINER V. L, SALMANOV V. I, MOROZOVA N. A, ZHADAEV V. G

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STULLING DEVICE OF A CUTTING MACHINE von ZHADAEV VALENTIN G,SU, SHAPIRO YURIJ V,SU, SHMERLIN YAKOV M,SU, DMITRAK YURIJ A,SU, LEVCHENKO VALENTIN V,SU, CHIRKOV VITALIJ G,SU, MIKHALEV YURIJ N,SU, SAPUNOV ANATOLIJ A,SU, SLIZKIJ PETR ,SU, NAUMOV ALEKSEJ A,SU

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