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Priority to JP12798586UpriorityCriticalpatent/JPS6334678U/ja
Priority to CA000543804Aprioritypatent/CA1316952C/en
Priority to DE8787112168Tprioritypatent/DE3782377T2/de
Priority to EP87112168Aprioritypatent/EP0257588B1/en
Priority to ES198787112168Tprioritypatent/ES2035839T3/es
Priority to US07/088,324prioritypatent/US4832361A/en
Publication of JPS6334678UpublicationCriticalpatent/JPS6334678U/ja