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Publication date
Application filedfiledCritical
Priority to JP7636189UpriorityCriticalpatent/JPH07944Y2/ja
Priority to US07/377,059prioritypatent/US5061891A/en
Priority to GB8916166Aprioritypatent/GB2226645B/en
Priority to DE3923610Aprioritypatent/DE3923610C2/de
Priority to CA000610886Aprioritypatent/CA1321620C/en
Publication of JPH0317575UpublicationCriticalpatent/JPH0317575U/ja
Priority to US07/783,870prioritypatent/US5243277A/en
Application grantedgrantedCritical
Publication of JPH07944Y2publicationCriticalpatent/JPH07944Y2/ja
