Research on small and medium enterprise technology innovation and related legal issues 并列题名：Research on small and medium enterprise technology innovation and related legal issues Strategy of small and medium enterprises technology innovation and intellectual property 并列题名：Strategy of small and medium enterprises technology innovation and intellectual property Research of small and medium enterprise's independent innovation and industrial upgrade 并列题名：Research of small and medium enterprise's independent innovation and industrial upgrade Research on enterprise green technology innovation and driving factors to promote the small and medium enterprises independent innovation policy and mechanism Research on enterprise technological innovation from an agency perspective