#1
Characteristics And Application Of...by meank-magnet
Permanent magnets (permanent magnets), permanent magnets, can be natural products, also known as natural magnets, can also be manufactured (the strongest magnet is neody...
#2
The Application of Rare Earth Magn...by meank-magnet
The magnetic ball magic toys also known as magnetic ball puzzles, they consist of 216 highly performance rare earth magnetic balls (usually 5 mm in diameter), each magne...