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Rotary pusher dog of cylindrical grinder
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Roller roughness retentivity testing machine
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Cold-type blank forging method for centrifugal machine
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High wear-resisting combined coiler side guide plate
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Working roll for wire rod rough rolling frame and manufacturing method thereof
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Horizontal bat type contact fatigue testing machine
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Method for controlling structure performance of working layer of centrifugal roller
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Device and method for controlling diameter size of shaft forging
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High-wear-resistance graphite steel edge rolling roller of section steel-rail beam rolling mill and manufacturing method thereof
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Roll collar for bar mill reducing and sizing mill set and preparation method thereof
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Crack roller judging method
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Process method for differential temperature heat treatment of forged steel BD roller
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High-alloy forged steel BD roll and manufacturing method thereof
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Forging method of conical step shaft
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Covering agent for ingot of die casting and adding mode of covering agent
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Preparation method of high-performance rough rolling working roll
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Centrifugal roller outer layer pouring system and manufacturing method thereof
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Large-scale battery pole piece rolling mill working roll and preparation method thereof
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