Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/572,758external-prioritypatent/US5342566A/en
Application filed by Schenck Ag CarlfiledCriticalSchenck Ag Carl
Priority to FI990456ApriorityCriticalpatent/FI990456A0/fi
Publication of FI990456ApublicationCriticalpatent/FI990456A/fi
Publication of FI990456A0publicationCriticalpatent/FI990456A0/fi