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Priority to JP1986160231UpriorityCriticalpatent/JPH0411898Y2/ja
Priority to US07/097,803prioritypatent/US4787292A/en
Priority to AU78846/87Aprioritypatent/AU583748B2/en
Priority to KR2019870016306Uprioritypatent/KR900007162Y1/ko
Publication of JPS6364566UpublicationCriticalpatent/JPS6364566U/ja
Application grantedgrantedCritical
Publication of JPH0411898Y2publicationCriticalpatent/JPH0411898Y2/ja