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Priority to JP11788085UpriorityCriticalpatent/JPH043653Y2/ja
Priority to CA000510176Aprioritypatent/CA1296179C/en
Priority to DE8686304876Tprioritypatent/DE3675438D1/de
Priority to EP86304876Aprioritypatent/EP0207720B1/en
Priority to KR2019860009025Uprioritypatent/KR930000973Y1/ko
Publication of JPS6248473UpublicationCriticalpatent/JPS6248473U/ja
Priority to US07/268,055prioritypatent/US4835026A/en
Application grantedgrantedCritical
Publication of JPH043653Y2publicationCriticalpatent/JPH043653Y2/ja