Rōtarī enjin no 20-nen
Subtitle: kaihatsu no keii to sono gijutsuteki seika : the rotary
By: kanshū, Ōzeki Hiroshi.
Series: Mechanism series
Publisher: Guranpuri Shuppan; Hatsubaimoto, Sankaidō
Published: 1982
Place of publication: Tokyo
Language: jpn
Number of pages: 221