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Application filed by 株式会社大金製作所filedCritical株式会社大金製作所
Priority to JP1988033461UpriorityCriticalpatent/JPH0631228Y2/ja
Priority to PCT/JP1989/000254prioritypatent/WO1989008792A1/ja
Priority to DE19893990204prioritypatent/DE3990204T1/de
Priority to DE3990204Aprioritypatent/DE3990204C2/de
Publication of JPH01136724UpublicationCriticalpatent/JPH01136724U/ja
Priority to US07/995,922prioritypatent/US5322474A/en
Application grantedgrantedCritical
Publication of JPH0631228Y2publicationCriticalpatent/JPH0631228Y2/ja