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Multipurpose scissors
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Silencing file
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Expansion bolt
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Gear cleaning process
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Anti-theft chain
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Multipurpose screw tap
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Saw web
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Turning tool manufacturing method
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Manufacturing method for bearing ball
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Machining method of fan blade
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Manufacturing method for bearing roller needle
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Fabricating method for milling cutter
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Method for finishing surface of bearing outer ring
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Ratchet production method
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Method for fabricating bearing bushes
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Manufacturing method for wheel hub
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File manufacturing method
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Valve core cleaning process
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Processing method of lead plate
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Self-cooling environment-friendly energy storage drill
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