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DK280058A1957-07-311958-07-31Fremgangsmåde ved tørring af med vand forurenede overflader af genstande af metal eller andet ikke absorberende materiale.
DK94068C
(da)
Fremgangsmåde ved imprægnering af forholdsvis tykke genstande af celluloseholdige materialer med vandopløselige polyalkoholer eller alkylætere eller estere deraf.