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Priority to IT2888178ApriorityCriticalpatent/IT1099989B/en
Publication of IT7828881A0publicationCriticalpatent/IT7828881A0/en
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Publication of IT1099989BpublicationCriticalpatent/IT1099989B/en
IT2888178A1978-10-181978-10-18IC engine with two pre-combustion chambers - arranged in series, with valve between, first igniting fuel to assist combustion in section
IT1099989B
(en)