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Huazheng Electric Manufacturing (Baoding) Co., Ltd.
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HZKM-4 lubricant anti-wear tester (four-ball machine)
HZKM-4 lubricant anti-wear tester (four-ball machine)
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HZPM-1 lubricating oil high temperature foam characteristics tester ASTM D6082 high temperature foaming characteristics test apparatus
HZPM-1 lubricating oil high temperature foam characteristics tester ASTM D6082 high temperature foaming characteristics test apparatus
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