Author: PARECHOC S.A.
Title: Spirotor 1 - Ultraflex - Duofix. Exposé technique du disposif de réglage / Technische Studie der Verstellvorrichtung / Technical Study of the adjusing device.
Description: Lausanne, 1964. 3 vols. 5,8,8 pp. Col. ills. Softcovers.

Keywords: Clocks Klokken