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Priority claimed from DK59771AAexternal-prioritypatent/DK128722B/en
Application filed by Soeren Elof Mauritz SollerudfiledCriticalSoeren Elof Mauritz Sollerud
Priority to DK389971ApriorityCriticalpatent/DK133969B/en
Publication of DK133969BpublicationCriticalpatent/DK133969B/en
Application grantedgrantedCritical
Publication of DK133969CpublicationCriticalpatent/DK133969C/da
DK389971A1971-02-101971-08-10
Method for making packages of expanded plastic, preferably expanded polystyrene, by welding sheets together.
DK133969B
(en)