世界発明年表
Subtitle: Seireki 105--1969-nen
By: Enatsu Hiroshi cho
Publisher: Tsūsan Shiryō Chōsakai
Published: 1971
Place of publication: Tōkyō
Language: jpn
Number of pages: 196
Subjects: Inventions; History; Chronology
Other titles: Sekai hatsumei nenpyō
Notes: Includes bibliographical references (5th prelim. page).