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Hours of work (coal mines) convention, 1931

International Labour Organization Convention

Pronunciation
/aʊərz əv wərk ( koʊl maɪnz ) kənˈvɛntʃən , 1931/
/ˈaʊəz əv wəːk ( kəʊl mʌɪnz ) kənˈvɛnʃən , 1931/