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Application filed by Windmoeller & HoelscherfiledCriticalWindmoeller & Hoelscher
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Publication of FI42780CpublicationCriticalpatent/FI42780C/fi
FI42780D1963-02-061963-02-06Hitsattavasta aineesta tehty venttiilisäkki, menetelmä sen valmistamiseksi ja laite menetelmän suorittamiseksi
FI42780C
(fi)
Kasseformet ventilsæk af polyethylen, polyvinylchlorid eller et lignende formstof, fremgangsmåde til fremstilling af en sådan og apparat til udførelse af fremgangsmåden.