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Priority to ES0203792ApriorityCriticalpatent/ES203792A1/en
Publication of ES203792A1publicationCriticalpatent/ES203792A1/en
Improved system of control of plays in the games of bowling, which consists essentially of having on the game track elements that are acted upon when each of the pins is knocked down or the passage of each of the pins, closing a circuit at this moment electric that is in connection with indicating or pointing devices provided in a panel or general control panel. (Machine-translation by Google Translate, not legally binding)
ES0203792A1952-05-261952-05-26A perfected system of control of plays in bowging games (Machine-translation by Google Translate, not legally binding)
ExpiredES203792A1
(en)
Semi-automatic billiards with playing surface that reproduces the layout of a football field (Machine-translation by Google Translate, not legally binding)