METHOD OF ROOF ADJUSTMENT FOR DRIVING STEEP BED
PAVLICHENKO ANATOLIJ V,SU, NIKOLENKO NIKOLAJ A,SU, GRODZINSKIJ PETR YA,SU, REPETSKIJ VASILIJ V,SU, DOROSHENKO LEONID G,SU, ROZENTAL MOISEJ B,SU
Year of Publication 23.07.1991
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Year of Publication 23.07.1991
Patent