working party on rail transport معنى
- الفرقة العاملة المعنية بالنقل بالسكك الحديدية
كلمات ذات صلة
- working party on land administration معنى
- working party on low- and non-waste technology and re-utilization and recycling of wastes معنى
- working party on migration statistics معنى
- working party on national accounts and balances معنى
- working party on new and renewable sources of energy معنى
- working party on review and appraisal معنى
- working party on road traffic safety معنى
- working party on road transport معنى
- working party on science for environmentally sound and sustainable development معنى