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A kind of automatically controlled door closer
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One kind stops determining door closer
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One kind stopping fixed pattern door closer
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Stop fixed pattern door closer
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A kind of fire prevention shutting window device
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A kind of hydraulic cushion sash closer
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A kind of hydraulic door-closer
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A kind of door closer
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A kind of releasing pressure automatically door closer
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A kind of railroad of door closer
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A kind of automatic closure window
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A kind of warming fire prevention shutting window device
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