著作权质押合同
著作权质押合同-
自公告发布之日起，所有计算机软件著作权质押合同必须到中国软件登记中心办理质押合同登记手续，质押合同自登记之同起生效。
Fromsince the date of promulgatingissuing the announcement , all the pledge contracts of computer software copyright must be registered at China software registration center and the pledge contracts shall become effective on the date of registration .