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Priority to JP17058286UpriorityCriticalpatent/JPH0212043Y2/ja
Priority to US07/113,162prioritypatent/US4811521A/en
Priority to IN847/CAL/87Aprioritypatent/IN167727B/en
Priority to DE19873737322prioritypatent/DE3737322A1/de
Priority to KR870012449Aprioritypatent/KR880006002A/ko
Publication of JPS6376461UpublicationCriticalpatent/JPS6376461U/ja
Application grantedgrantedCritical
Publication of JPH0212043Y2publicationCriticalpatent/JPH0212043Y2/ja