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Priority to JP9869786UpriorityCriticalpatent/JPS635789U/ja
Priority to US07/057,361prioritypatent/US4865153A/en
Priority to DE3720374Aprioritypatent/DE3720374C2/de
Priority to FR878708717Aprioritypatent/FR2600482B1/fr
Priority to IT8721003Aprioritypatent/IT1215574B/it
Priority to GB8714654Aprioritypatent/GB2191910B/en
Publication of JPS635789UpublicationCriticalpatent/JPS635789U/ja