| 1. | Rockwell hardness test - calibration of reference blocks
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| 2. | Rockwell hardness test - verification of testing machines
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| 3. | Thermal sprayed metallic coatings - rockwell hardness test
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| 4. | Resource of rockwell hardness test error and its prevention
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| 5. | Verification regulation of plastic rockwell hardness testing machine
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| 6. | Metallic materials - rockwell hardness test
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| 7. | Test method for macro - rockwell hardness testing of metallic materials
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| 8. | Rockwell hardness test - test method
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| 9. | A powder metallurgy . hardmetals . rockwell hardness test a - scale - test method
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| 10. | Rockwell hardness test
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