DE1728068
FERRARO, FRANK ANTHONY, MONROE, DAWIDOWICZ, JAN, FAIRFIELD, KUHNL, LEOPOLD KARL, STRATFORD
Year of Publication 14.02.1980
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Year of Publication 14.02.1980
Patent
DE1728068
FERRARO, FRANK ANTHONY, MONROE, DAWIDOWICZ, JAN, FAIRFIELD, KUHNL, LEOPOLD KARL, STRATFORD
Year of Publication 07.06.1979
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Year of Publication 07.06.1979
Patent