

Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

范维 Current Assignee (The listed assignees may be inaccurate.Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number CNB2006101018243A Other languages Chinese ( zh) Google Patents CN100501754C - Systems and methods for secure transaction management and electronic rights protection CN100501754C - Systems and methods for secure transaction management and electronic rights protection
