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Application filed by Ιωαννης ΡοβινσωνfiledCriticalΙωαννης Ροβινσων
Priority to GR210100028ApriorityCriticalpatent/GR28B/el
Publication of GR28BpublicationCriticalpatent/GR28B/el
GR210100028A1921-02-171921-02-17Τελειοποιησις μεθοδου ως προς την χρησιν γαιανθρακονεως και ορυκτελαιου εις τους κλιβανους των λεβητων ατμομηχανων.
GR28B
(el)