Dezain hogo ni yoru sangyō kyōsōryoku kyōka
Subtitle: ishōhō ho kaisei
By: Takazawa Miyuki.
Series: Chōsa to jōhō -- dai 520-gō = -- Issue brief -- no. 520
Publisher: Kokuritsu Kokkai Toshokan Chōsa oyobi Rippō Kōsakyoku
Published: 2006
Place of publication: Tōkyō
Language: jpn
Number of pages: 10