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System for managing history of products using image code and method for managing history in portable device using image code?keyword=System for managing history of products using image code and method for managing history in portable device using image code?keyword=System for managing history of products using image code and method for managing history in portable device using image code?keyword=System for managing history of products using image code and method for managing history in portable device using image code?keyword=System for managing history of products using image code and method for managing history in portable device using image code?keyword=System for managing history of products using image code and method for managing history in portable device using image code?keyword=System for managing history of products using image code and method for managing history in portable device using image code?keyword=System for managing history of products using image code and method for managing history in portable device using image code 专利,更快更准确