Technology Markus Wagner, Geological Survey of Germany (BGR), CTC - Certified Trading Chains in Mineral...

1. CTC - Certified Trading Chains in mineral production: the general concept Markus Wagner BGR – Federal Institute for Geosciences and Natural Resources Brasilia, October…

Technology Wagner Trading Chains In Mineral Production

1. CTC - Certified Trading Chains in mineral production: the general concept Markus Wagner BGR – Federal Institute for Geosciences and Natural Resources Brasilia, October…