Mechanism of valve relief of vacuum and pressure acted by auxiliary valve. (Machine-translation by Google Translate, not legally binding)
ES301862A3
Hydraulic apparatus for variable load systems. (Machine-translation by Google Translate, not legally binding)
ES301674A3
Improvements in operating valves, by means of auxiliary valve for pressure and vacuum relief (Machine-translation by Google Translate, not legally binding)
ES301673A3
Transverse line security mechanism for reversible hydraulic engine (Machine-translation by Google Translate, not legally binding)
ES301675A3
Section control valve (Machine-translation by Google Translate, not legally binding)
ES301473A3
Improvements in hydrostatic transmission with device of regulation of the same (Machine-translation by Google Translate, not legally binding)
ES301475A3
Hydraulic driving system for machines (Machine-translation by Google Translate, not legally binding)
ES301474A3
Improvements in combined vacuum control and reduction valves for high pressure (Machine-translation by Google Translate, not legally binding)
ES301429A3
Improvements in the control valves for mechanisms actuated by pressure liquids (Machine-translation by Google Translate, not legally binding)
ES301426A3
Improvements in regulating hydraulic valves with displacable stem (Machine-translation by Google Translate, not legally binding)
ES301427A3
Detention mechanism for hydraulic control valves (Machine-translation by Google Translate, not legally binding)
ES301430A3
Vacuum safety valve mechanism (Machine-translation by Google Translate, not legally binding)
ES301428A3
Improvements in the detection mechanisms for hydraulic regulation valve (Machine-translation by Google Translate, not legally binding)
