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Priority claimed from JP34503595Aexternal-prioritypatent/JP3283171B2/en
Application filed by Kyokado Eng CofiledCriticalKyokado Eng Co
Priority to SG1997000306ApriorityCriticalpatent/SG67971A1/en
Publication of SG67971A1publicationCriticalpatent/SG67971A1/en