FREMGANGSMAATE TIL FREMSTILLING AV FORMALDEHYD
LEHMANN, GUNTER, HAAS, HANS, AICHER, ALRECHT, SPERBER, HEINRICH, MATTHIAS, GUENTHER, DIEM, HANS
Year of Publication 12.05.1980
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Year of Publication 12.05.1980
Patent
Fremgangsmåde til fremstilling af formaldehydopløsninger
HANS HAAS, HEINRICH SPERBER, JOSEF ZIPFEL, GERD DUEMBGEN, ALFRED WOERNER, OTTO GRABOWSKY
Year of Publication 08.02.1971
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Year of Publication 08.02.1971
Patent