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Priority to JP1987179106UpriorityCriticalpatent/JPH0182987U/ja
Priority to FR888811832Aprioritypatent/FR2620401B1/fr
Priority to GB8821147Aprioritypatent/GB2209719B/en
Priority to KR1019880011761Aprioritypatent/KR930005857B1/ko
Publication of JPH0182987UpublicationCriticalpatent/JPH0182987U/ja