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HB-3000B Brinell Hardness Tester
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HB-3000C electronic brinell hardness testers
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HBS-3000 Brinell Hardness Tester with electric loading
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HBC Hammer Hit Type Brinell Hardness Tester
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HBX-0.5 Portable Brinell hardness testers
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HR-45A Manual Superficial Rockwell Hardness Tester
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HR-150A Rockwell hardness tester
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HR-150B High Stroke Rockwell metal hardness tester