protel 2004的license,用于注册protel的使用权，下载后点加载这个文件就行了-protel 2004' s license, registration protel for the right to use, download the last point load this file on the list

一份用于学习protel 2004的资料，里面各章详细地介绍了软件使用的方法，对自学帮助很大。-A study paper for learning protel 2004 software, of which the chapters describe the using methods of the software in detail.It s good for self-teaching.