[Reports of the] Coal mines committee . 3rd session, 1949. Report II. The protection of young workers employed underground in coal mines

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[Reports of the] Coal mines committee . 3rd session, 1949. Report II. The protection of young workers employed underground in coal mines

Organisation internationale du travail

Autre Première publication : 1948

Éditions (1)

[Reports of the] Coal mines committee . 3rd session, 1949. Report II. The protection of young workers employed underground in coal mines

[Reports of the] Coal mines committee . 3rd session, 1949. Report II. The protection of young workers employed underground in coal mines

International labour office (Geneva) · 1948