The sampling and assay of the precious metals, comprising gold, silver, platinum, and the platinum group metals in ores, bullion, and products
| मुख्य लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Boulder, Colo.
Met-Chem Research
1947.
|
| संस्करण: | 2nd ed. rev. and reset. |
| विषय: |