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I-beam central point proofreading tool and welding table thereof
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Mechanical power-assisted steering method and device
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Follow-up adjusting device of novel chuck type continuously variable transmission of bicycle
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A kind of DC electric field-travelling-magnetic-field complex method improving quality of cladding layer
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A kind of class seam weld-travelling-magnetic-field complex method improving defects in cladding layer
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A kind of impulse electric field-travelling-magnetic-field complex method reducing re-melt deposit welding
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A kind of combination field and the compound vacuum deposition method of liner perforated baffle
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The arc ion plating of combination field and liner special pipe and perforated baffle composite filter
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A kind of combination field and the compound vacuum deposition method of liner bias ladder pipe
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A kind of combination field, compound tube and the compound vacuum coating method of perforated baffle
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Movable magnet field arc ion plating and high-power impulse magnetron sputtering composite deposition method
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A kind of vacuum deposition method that combination field is compound with liner straight tube and perforated baffle
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The arc ion plating of combination field and liner bias straight tube composite filter
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A kind of vacuum coating method that combination field is compound with liner conical pipe and perforated baffle
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The arc ion plating and twin target high-power impulse magnetron sputtering method of combination field
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A kind of combination field, compound tube and the compound vacuum deposition method of perforated baffle
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The arc ion plating of combination field and liner compound tube and perforated baffle combined filtration
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The arc ion plating of combination field and liner straight tube and perforated baffle combined filtration
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A kind of vacuum coating method that combination field is compound with liner bias conical pipe and straight tube
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A kind of combination field and liner conical pipe and the compound vacuum coating method of ladder pipe
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