Vibrocentrifuging machine for the manufacture of concrete pipes. (Machine-translation by Google Translate, not legally binding)
ES323135A1
Improvements in the molds for the manufacture of centrifugal concrete pipes. (Machine-translation by Google Translate, not legally binding)
ES317279A1
Mechanism for direct concrete within transport trucks. (Machine-translation by Google Translate, not legally binding)
ES315783A1
Machine for the multiple pipe of concrete pipes. (Machine-translation by Google Translate, not legally binding)
ES312388A1
Improvements in the molds for the manufacture of pipes and centrifugal concrete pieces. (Machine-translation by Google Translate, not legally binding)
ES309728A1
Automatic centrifugal machine for the manufacture of concrete pipes. (Machine-translation by Google Translate, not legally binding)
ES302316A2
Improvements in centrifugal machines of concrete by tubular molds (Machine-translation by Google Translate, not legally binding)
ES301731A2
Improvements in the construction of molds for the manufacture of centrifuged concrete pipes (Machine-translation by Google Translate, not legally binding)
ES297236A1
Improvements in the molds for the manufacture of viguettes, tubes, posts and other construction elements (Machine-translation by Google Translate, not legally binding)
ES295264A1
Improvements in the construction of molds for the manufacture of centrifuged concrete pipes (Machine-translation by Google Translate, not legally binding)
ES291772A1
Improvements in the molds for the manufacture of pipes and fibers of centrifuged concrete (Machine-translation by Google Translate, not legally binding)
ES290674A1
Improvements in the centrifuge machines for the manufacture of concrete pipes (Machine-translation by Google Translate, not legally binding)
ES267777A1
Improvements in the rotary molds for the spinning of concrete, cement and similar pipes (Machine-translation by Google Translate, not legally binding)
ES264502A1
Multiple machine for the spinning of pipes and other construction elements (Machine-translation by Google Translate, not legally binding)