Imrad Patents, Extraction of Lead and Silver, Completed Specifications - Germany
Imrad Patents, Extraction of Lead and Silver, Completed Specifications - Great Britain
Imrad Patents, Extraction of Lead and Silver, Completed Specifications - Japan
Imrad Patents, Extraction of Metals from Solution - Provisional Specifications
Imrad Patents, Extraction of Metals from Solution - Correspondence and Discussions
Imrad Patents, Extraction of Metals from Solution by Metal Loaded Brown Coal - Miscellaneous
Imrad Patents, Extraction of Metals from Solution by Metal Loaded Brown Coal - Provisional Specifications
Imrad Patents, Extraction of Metals from Solution, Completed Specifications - Great Britain
Unsponsored Research, Removal of Pollutants from Water, Completed Specification - Germany
Unsponsored Research, Removal of Pollutants from Water - Provisional Specification
Imrad Patents, Extraction of Lead and Silver, Completed Specification - Australia
Imrad Patents, Extraction of Metal from Solution, Completed Specifications - Italy
Imrad Patents, Extraction of Metal from Solution, Completed Specifications - United States of America (USA)
Imrad Patents, Extraction of Metal from Solution, Completed Specifications - Zambia
