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HYDRAULIC-TYPE ENERGY RECOVERING SYSTEM FOR MECHANICAL WORK PERFORMING MACHINES IN PARTICULAR FOR HYDRAULICALLY POWERED DIGGERSASHIN,A OSOBENNO DLJA GIDRAVLICHESKIKH EHKSKAVATOROV
HYDRAULIC-TYPE ENERGY RECOVERING SYSTEM FOR MECHANICAL WORK PERFORMING MACHINES IN PARTICULAR FOR HYDRAULICALLY POWERED DIGGERSASHIN,A OSOBENNO DLJA GIDRAVLICHESKIKH EHKSKAVATOROV