[单项选择]We were glad to learn from your letter of 18th July of your interest in our products. Here are the catalogues and price-list for which you asked. Also you will find details of our conditions of sale and terms of payment.
第33题: [多项选择]以专利权中的财产权出质的,质押权人享有以下哪些权利( )。 A. 质押权人在债务清偿之前,有权使用该专利权,并以使用所得收益抵偿债权 B. 如果出质人未经质押人同意许可他人使用该专利权,质押权人有权主张该许可行为无效 C. 如果出质人经质押权人同意将该专利权转让,质押权人在同等条件下有优先购买权 D. 如果出质人经质押权人同意许可他人使用该专利,质押权人有权要求以所得的使用费提前清偿债权 参考答案:B,D