convention fixing the minimum age for the admission of young persons to employment as trimmers or stokers يبدو
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- convention fixing the minimum age for the admission of young persons to employment as trimmers or stokers معنى: اتفاقية الحد الأدنى للسن التي يجوز فيها تشغيل الأحداث وقادين أو مساعدي وقادين
