Basic Concept and Structure of the International Patent Classification (IPC), and Scope of Classification Places
Индекс документа | WIPO/IP/HRE/03/4 |
Мероприятия по теме | WIPO/IP/HRE/03 |
Дата публикации | 1 апреля 2003 г. |
English | Basic Concept and Structure of the International Patent Classification (IPC), and Scope of Classification Places |