Improvements introduced in the object of the main patent n. 464637, by: improvements introduced in the systems of cleaning public transport vehicles. (Machine-translation by Google Translate, not legally binding)
GR65250B
Ameliorations inserted to systems for the cleaning of public transportation vehicles
ES474956A2
Improvements introduced in the object of the main patent for improvements introduced in the systems of cleaning public transport vehicles. (Machine-translation by Google Translate, not legally binding)
ES464637A1
Improvements introduced in the systems of cleaning public transport vehicles. (Machine-translation by Google Translate, not legally binding)