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Three bright X-ray transient sources GRO J0422+32, GRS 1009-45 and GRS 1716-24 detected in 1992-1993 continue the sequence of such transient sources which were observed by the broad-band MIR-KVANT X-ray observatory in the period since 1988. Two of them, GRO J0422+32 and GRS 1716-29, may be classified as hard X-ray novae where the X-ray spectrum formation is probably dominated by comptonization, GRS...