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Priority to JP1986136276UpriorityCriticalpatent/JPH0535394Y2/ja
Priority to GB8720836Aprioritypatent/GB2196133B/en
Priority to DE8717178Uprioritypatent/DE8717178U1/de
Priority to DE19873729755prioritypatent/DE3729755C2/de
Publication of JPS6343144UpublicationCriticalpatent/JPS6343144U/ja
Priority to GB9008238Aprioritypatent/GB2231409B/en
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Publication of JPH0535394Y2publicationCriticalpatent/JPH0535394Y2/ja