Kore de wakaru puresu kakō
Subtitle: motto tsukaō motto ikasō konna gijutsu
Series: Tokkyo mappu shirīzu -- 21
Publisher: Tokkyochō
Published: 2001
Place of publication: Tōkyō
Language: jpn
Number of pages: 284
Subjects: Patents
Other titles: Puresu kakō
Notes: Cover title.