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Filing date
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Application filed by EumigfiledCriticalEumig
Priority to AT251666ApriorityCriticalpatent/AT268881B/de
Priority to DE1966V0031999prioritypatent/DE1522303C3/de
Priority to GB4277766Aprioritypatent/GB1094028A/en
Application grantedgrantedCritical
Publication of AT268881BpublicationCriticalpatent/AT268881B/de