ChemicalBook >?? ???? >Knoop Microhardness of Steel
Knoop Microhardness of Steel
|
|
Knoop Microhardness of Steel ??
??
Knoop Microhardness of Steel ?? ??
???( 3)?? ??
??? | ?? | ??? | ?? | ?? ? | ?? |
---|---|---|---|---|---|
Merck KGaA | (+86) 21 2033 8288 |
sigmaname@qq.com | CHINA | 292394 | 58 |