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Mining laws of Portugal

Mining laws of Portuguese Possessions

Mining laws of China

Published Year

• 1920-1929 (3)

Subject

• Mining law--China (1)
• Mining law--Portugal (1)
• Mining law--Portugal--Colonies (1)
• Mining law--Portugal--Colonies--Africa (1)
• Mining law--Portugal--Colonies--Asia (1)
• Mining law--Portugal--Colonies--South America (1)

Author

• Frey, John W. (3) *

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