Large Portable Rockwell Hardness Tester2011-8-11
Large portable Rockwell hardness tester is the large size type in PHR series Rockwell hardness testers.
The PHR Series Large Portable Rockwell Hardness Tester...
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Magnetic Type Rockwell Hardness Tester2011-8-11
The world No. 1 Rockwell hardness tester designed according to the principle of Rockwell hardness test, capable of testing the hardness of metals by touching only...
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