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Patent Abstracts

      677.  ------.  [FISCHER, F., AND PICHLER, H.]   (Studien- und Verwertungs-G. m. b. H.).  [Paraffin.]  French Patent 828,893, no date.  Kainer, p. 211.

            See German Patent 731,295 (abs. 3684) and Italian Patent 352,611 (abs. 3683).