Widia jitsuyō benran
Subtitle: chō kōshitsu gōkin kōgu no seisaku to shiyōhō
By: Gijutsuin kanshū ; Kagaku Dōin Kyōkai yaku
Edition: Shohan
Publisher: Kikai Seisaku Shiryōsha
Published: 1944
Place of publication: Tōkyō
Language: jpn
Number of pages: 191
Work titles: WIDIA-Handbuch. Japanese