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Application filed by B & L Powdered Fuel LimitedfiledCriticalB & L Powdered Fuel Limited
Priority to GR290102198ApriorityCriticalpatent/GR2198B/el
Publication of GR2198BpublicationCriticalpatent/GR2198B/el
GR290102198A1929-02-141929-02-14Τελειοποιησεις εις η εν σχεσει προς την χρησιμοποιησιν των υπο μορφην κονεως η κονιοποιημενων ανθρακουχων υλων.
GR2198B
(el)