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Priority claimed from JP19923493Aexternal-prioritypatent/JP3178567B2/en
Priority claimed from JP19923693Aexternal-prioritypatent/JP3009564B2/en
Priority claimed from JP5199235Aexternal-prioritypatent/JP2992427B2/en
Application filed by Kaijo KkfiledCriticalKaijo Kk
Publication of SG47378A1publicationCriticalpatent/SG47378A1/en