- Technical Patents
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- A Clamping Device for Machining Automotive Drive Shafts
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- A Heat Recovery Device for Heat Treatment of Drive Shaft Yokes
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- A Dust Plug Cover for Automotive Slip Yokes and the Slip Yoke Assembly
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- A Heat Recovery Device for Heat Treatment of Drive Shaft Yokes
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- A Time Control Device for Heat Treatment of Drive Shaft Yokes
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- A Heat Dissipation Device for Heat Treatment of Drive Shaft Yokes
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- An Easy-To-Install Corrugated Protective Tube for Drive Shafts
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- A Protection Device for Automotive Drive Shafts
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- A Splined Shaft Yoke and the Corresponding Drive Shaft
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- A Drive Shaft Flange Yoke for Heavy-Duty Automobiles








