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Application filed by Kromschroeder Ag GfiledCriticalKromschroeder Ag G
Priority to AT233366ApriorityCriticalpatent/AT268717B/en
Priority to GB1076767Aprioritypatent/GB1138996A/en
Priority to NL6703733Aprioritypatent/NL6703733A/xx
Priority to DE19671629874prioritypatent/DE1629874C3/en
Priority to BE695385Dprioritypatent/BE695385A/xx
Application grantedgrantedCritical
Publication of AT268717BpublicationCriticalpatent/AT268717B/en