Matches in Library of Congress for { ?s ?p Machinery industry Labor productivity.. }
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- 67057955 subject "Machinery industry Labor productivity.".
- 78372766%2F%2Fr87 subject "Machinery industry Labor productivity.".
- 78423284 subject "Machinery industry Labor productivity.".
- 83143717 subject "Machinery industry Labor productivity.".
- 98225195 subject "Machinery industry Labor productivity.".