| fineness |
Microns are a scientific and objective measurement of fineness. Show ring measurement is subjective. It takes practice feeling fleece to become proficient.
Ãâó: www.pygoragoats.org/PBAcolordefinition.html
|
|---|---|
| fineness |
Indicated proportion of pure metal in gold or silver. Fineness is usually expressed in thousandths; that is, pure metal is 1.000; US gold is .900 fine.
Ãâó: www.goldrushgallery.com/dahlmint/minting_terms.htm...
|
| fineness |
The purity of precious metal measured in parts per thousand.
Ãâó: www.silverusersassociation.org/resources/glossary....
|
Á¦Ç°¸í |
ÆÇ¸Å»ç |
º¸ÇèÄÚµå | ¼ººÐ/ÇÔ·® | ±¸ºÐ/º¸Çè±Þ¿© |
|---|
Á¦Ç°¸í |
ÆÇ¸Å»ç |
º¸ÇèÄÚµå | ¼ººÐ/ÇÔ·® | ±¸ºÐ/º¸Çè±Þ¿© |
|---|