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Application filed by Sjaelland Betonvarefabriken A/SfiledCriticalSjaelland Betonvarefabriken A/S
Priority to DK118471ApriorityCriticalpatent/DK138553B/da
Priority to DE19722210444prioritypatent/DE2210444A1/de
Priority to PL15398672Aprioritypatent/PL70987B1/pl
Priority to DD16146272Aprioritypatent/DD95101A5/xx
Priority to SE318872Aprioritypatent/SE408203B/xx
Publication of DK138553BpublicationCriticalpatent/DK138553B/da
Application grantedgrantedCritical
Publication of DK138553CpublicationCriticalpatent/DK138553C/da