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Priority to JP8685887UpriorityCriticalpatent/JPS63195128U/ja
Priority to US07/336,352prioritypatent/US4947975A/en
Priority to PCT/JP1988/000505prioritypatent/WO1988009883A1/ja
Publication of JPS63195128UpublicationCriticalpatent/JPS63195128U/ja
Priority to US07/549,984prioritypatent/US5014840A/en