European patent law : practicing under the European patent convention (EPC) / by Richard Beetz [and others] ; transl. into English and ed. by J. Georg Seka ; publ. by the Patentanwaltskammer.
European patent law : practicing under the European patent convention (EPC) / by Richard Beetz [and others] ; transl. into English and ed. by J. Georg Seka ; publ. by the Patentanwaltskammer.