搜元素提供国外优质的免版权矢量素材资源免费下载，该资源的中文名称是：Intellectual property rights for trademark protection, digital rights defense, patent license agreement concepts. Businessman owner locked bird cage with padlock to protect brain of idea in lightbulb，英文名称是：Intellectual property rights for trademark protection, digital rights defense, patent license agreement concepts. Businessman owner locked bird cage with padlock to protect brain of idea in lightbulb，该资源由网友上传，提供高速下载。
