Improvements in the construction of topes for railway vehicles (Machine-translation by Google Translate, not legally binding)
ES252500A1
Improvements in the construction of topes for railway vehicles (Machine-translation by Google Translate, not legally binding)
ES252499A1
Improvements in the construction of topes for railway vehicles (Machine-translation by Google Translate, not legally binding)
ES247199A1
Improvements in the construction of infinitely variable speed belt transmissions for machines (Machine-translation by Google Translate, not legally binding)
GB860572A
Improvements in apparatus for use in filling or replenishing hydraulic equipment with fluid
