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Priority to JP15161686UpriorityCriticalpatent/JPS6356698U/ja
Priority to PCT/JP1987/000714prioritypatent/WO1988002227A1/ja
Priority to AU80293/87Aprioritypatent/AU8029387A/en
Publication of JPS6356698UpublicationCriticalpatent/JPS6356698U/ja