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Vertical keel and top keel connecting structure
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Novel lamp slot plug connector convenient to connect
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Ceiling keel structure and construction method
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A kind of keelson connection structure quickly consolidated
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A kind of conveniently wall angle
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It is a kind of quickly firm along keelson connection structure
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A kind of top keel structure
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A kind of connection structure of light gage steel joist quickly consolidated
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A kind of device of navigation by recognition instrument position error
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A kind of vertical light steel keel
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Can quickly location and installation leveling keel structure
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A kind of portable connection structure of light gage steel joist
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A kind of lightgage steel joist fast joint structure
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A kind of lightgage steel joist for facilitating installation to position
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