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Priority to JP1986174340UpriorityCriticalpatent/JPH0326771Y2/ja
Priority to KR870011238Aprioritypatent/KR880006815A/ko
Priority to GB8726268Aprioritypatent/GB2198001B/en
Priority to DE3738493Aprioritypatent/DE3738493C2/de
Publication of JPS6381633UpublicationCriticalpatent/JPS6381633U/ja
Application grantedgrantedCritical
Publication of JPH0326771Y2publicationCriticalpatent/JPH0326771Y2/ja