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Priority to JP1987182165UpriorityCriticalpatent/JPH0742567Y2/ja
Priority to KR1019880006185Aprioritypatent/KR940006565B1/ko
Priority to US07/246,639prioritypatent/US4919573A/en
Priority to DE3832087Aprioritypatent/DE3832087A1/de
Publication of JPH0187819UpublicationCriticalpatent/JPH0187819U/ja
Application grantedgrantedCritical
Publication of JPH0742567Y2publicationCriticalpatent/JPH0742567Y2/ja
