IPC kokusai tokkyo bunrui sōran
By: Tokkyochō hen
Edition: Dai 3-han, shohan
Publisher: Hatsumei Kyōkai
Published: 1981
Place of publication: Tōkyō
Language: jpn
Number of pages: 527
Subjects: Industrial property; Classification; Patents
Other titles: Kokusai tokkyo bunrui sōran.
Notes: Includes bibliographical references.