Hydro-extractors
Subtitle: their safe construction and equipment.
Series: Studies and reports, series F, 2d section (Safety) -- no. 3
Publisher: [Printed by Atar]
Published: 1929
Place of publication: Geneva
Language: eng
Number of pages: 102
Subjects: Hydraulic machinery; Drying apparatus; Safety appliances
Notes: At head of title: International Labour Office ...

"Prepared by Mr. Massarelli, assisted by Mr. Scotti." - Pref.

Bibliography: p. [92]