Kore de wakaru keijō senbetsu
Subtitle: motto tsukaō motto ikasō konna gijutsu
Series: Tokkyo mappu shirīzu -- 23
Publisher: Tokkyochō
Published: 2001
Place of publication: Tōkyō
Language: jpn
Number of pages: 317
Subjects: Patents
Other titles: Keijō senbetsu
Notes: Cover title.