ID:DA05184680
United States. Dept. of Labor. Bureau of Labor Standards
United States. Wage and Labor Standards Administration. Bureau of Labor Standards
United States. Labor Standards, Bureau of
United States. Workplace Standards Administration. Bureau of Labor Standards
アメリカ合衆国労働省労働基準局(アメリカ ガッシュウコク ロウドウショウ ロウドウ キジュンキョク)
United States. Wage and Labor Standards Administration
United States. Workplace Standards Administration
United States. Employment Standards Administration
United States. Occupational Safety and Health Administration
United States. Dept. of Labor. Division of Labor Standards
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Bureau of Labor Standards
U.S. Dept. of Labor, Bureau of Labor Standards , For sale by the Supt. of Docs., U.S. Govt. Print. Off