You cannot restore a Network Trash file from within AppleShare or AppleShare Admin. You can make the Network Trash folder visible by using ResEdit or similar utility application, and then move he file where you want to save it.
WARNING: The instructions in this article refer to using ResEdit. Apple Computer, Inc., is not liable for any damage done to your software through the use of ResEdit to alter software. The User Assistance Center phone representatives (at 800-SOS-APPL) do not provide technical support for ResEdit. It is supported by APDA. For contact information on APDA, search the Tech Info Library under "APDA".