Denshi rokku shisutemu
Series: Heisei 13-nendo tokkyo shutsugan gijutsu dōkō chōsa bunseki hōkokusho
Publisher: Tokkyochō
Published: 2002
Place of publication: Tōkyō
Language: jpn
Number of pages: 129
Subjects: Electronic locking devices; Patents; Automobiles; Locks
Notes: Cover title.

Includes bibliographical references.