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Priority to JP1290890UpriorityCriticalpatent/JPH03104088U/ja
Priority to DE19914190246prioritypatent/DE4190246T1/de
Priority to PCT/JP1991/000170prioritypatent/WO1991012648A1/ja
Priority to US07/761,888prioritypatent/US5225725A/en
Priority to GB9120346Aprioritypatent/GB2247787B/en
Publication of JPH03104088UpublicationCriticalpatent/JPH03104088U/ja