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HR-150 Rockwell Hardness Tester
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HR-150E Motorized Rockwell Hardness Tester
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DHR-150 Double Digital Rockwell Hardness Tester
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DHR-150H Digital Rockwell Hardness Tester - Heightening Type
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THR-150 Touchscreen Rockwell Hardness Tester
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ITHR-150A Automatic Rockwell Hardness Tester
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THR-150A Double Automatic Rockwell Hardness Tester
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THR-150AV3 Fully Automatic Rockwell Hardness Tester
