Rest periods for industrial workers.
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Publication
1919 - National industrial conference board, Boston, Mass, No place, unknown, or undetermined
Language
English
Word Count
13,750 words, Guess
Page Count
55 pages
Identifiers
- Library of Congress Control Number19005627
- OCLC Control Number3727475
- Open LibraryOL6615447M
Classifications
- LCCHD5112 .N3
Subjects
Topics
Series Statement
- Its Research report,
- no. 13
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