General information on the sixth edition of the International Patent Classification [Text in Chinese].

General information on the sixth edition of the International Patent Classification [Text in Chinese].

1 volume (various paging) ; [28] cm

9280506072

E 235G132 WIPO.G(6)

Contents : Introduction; Structure of the IPC; The IPC Agreement of 1971; IPC publications and machine-readable products; Principles underlying the system; Use of the IPC for classifying the patent documents of various countries; Use of the IPC for the retrieval of patent documents; Assistance in classification of search files according to the IPC; Training in the use of the IPC;.

Geneva [Switzerland] : World Intellectual Property Organization, 1996.

eng