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Publication date
Application filedfiledCritical
Priority to JP1987004886UpriorityCriticalpatent/JPH0531965Y2/ja
Priority to DE19883800751prioritypatent/DE3800751A1/de
Priority to CA000556402Aprioritypatent/CA1324313C/en
Priority to NL8800112Aprioritypatent/NL188735C/xx
Publication of JPS63112844UpublicationCriticalpatent/JPS63112844U/ja
Application grantedgrantedCritical
Publication of JPH0531965Y2publicationCriticalpatent/JPH0531965Y2/ja
