Hydro-extractors; their safe construction and equipment.
Material type:
TextSeries: Studies and reports, Series F, 2d section (Safety) ; no. 3Publication details: Geneva [Printed by Atar] 1929.Description: viii, 102 p. illus. 24 cmSubject(s): LOC classification: - HD4813 .I4 ser. F, 2d. sect., no. 3
At head of title: International Labour Office.
"Prepared by Mr. Massarelli, assisted by Mr. Scotti."--Pref.
Bibliography: p. [92]
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