3mm Inner core Gold Platinum Silver Palladium Titanium Copper Aluminum Nickel zinc Tungsten Iron Indium Steel Graphite Glassy Carbon disc Electrode… (3mm inner core diameter lead)

الوصف

3mm Inner core Gold Platinum Silver Palladium Titanium Copper Aluminum Nickel zinc Tungsten Iron Indium Steel Graphite Glassy Carbon disc Electrode… (3mm inner core diameter lead)