*EA00200700794, (eurasisches Patent) submerged hydraulic ram. Erfinder: MARYKHIN VYACHESLAV, VALENTINOVICH, ; KUTYENKOV VALENTIN, ALEXANDROVICH | *EA00200700794, (eurasisches Patent) submerged hydraulic ram. Erfinder: MARYKHIN VYACHESLAV, VALENTINOVICH, ; KUTYENKOV VALENTIN, ALEXANDROVICH |