Suggested Topics within your search.
Suggested Topics within your search.
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1Moskva : Gosėnergoizdat,v. : ill. ; 30 cm.Subjects: “...Power (Mechanics) Periodicals....”
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2Leningrad : Leningradskoe otd-nie Mashgiza,v. : ill. ; 20-29 cm.Subjects: “...Power (Mechanics) Periodicals....”