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Priority to JP5685489UpriorityCriticalpatent/JPH0721257Y2/ja
Priority to US07/509,660prioritypatent/US5073058A/en
Priority to GB9009744Aprioritypatent/GB2232073B/en
Priority to DE4015152Aprioritypatent/DE4015152A1/de
Publication of JPH02147276UpublicationCriticalpatent/JPH02147276U/ja
Application grantedgrantedCritical
Publication of JPH0721257Y2publicationCriticalpatent/JPH0721257Y2/ja