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Application filedfiledCritical
Priority to JP1987119886UpriorityCriticalpatent/JPH0520899Y2/ja
Priority to US07/360,914prioritypatent/US4949829A/en
Priority to PCT/JP1988/000773prioritypatent/WO1989001096A1/ja
Publication of JPS6424732UpublicationCriticalpatent/JPS6424732U/ja
Application grantedgrantedCritical
Publication of JPH0520899Y2publicationCriticalpatent/JPH0520899Y2/ja
