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Priority to JP13707887UpriorityCriticalpatent/JPH0543597Y2/ja
Priority to US07/171,963prioritypatent/US4825116A/en
Priority to DE3815359Aprioritypatent/DE3815359A1/de
Publication of JPS6442699UpublicationCriticalpatent/JPS6442699U/ja
Application grantedgrantedCritical
Publication of JPH0543597Y2publicationCriticalpatent/JPH0543597Y2/ja
