404. That’s an error.
The requested URL /translate_c?hl=fa&ie=UTF-8&sl=en&tl=fa&u=http://www.patent-de.com/19890817/EP0202137.html&prev=_t&rurl=translate.google.com&usg=ALkJrhhL9OLeesg36aqTIh4p4h2nfKCznA
was not found on this server. That’s all we know.