DEVICE FOR REGULATION OF STRAIGHTENED BED OF SMALL RIVERS
KOVALCHUK ANDREJ A,SU, GRIB IOSIF V,SU, MEREZHKO ALEKSEJ I,SU, YAKUBOVSKIJ KAZIMIR B,SU, TARAN OLEG N,SU
Year of Publication 07.09.1991
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Year of Publication 07.09.1991
Patent