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Unpowered chlorination equipment
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A kind of liquid waste treating apparatus of automatic liquid-feeding
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Three chamber communication type resampling filter devices and its water flowing filtering type sampling craft
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A kind of three chamber communication type sample detection cups
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A kind of rotary automatic sample testing meter
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A kind of primary-secondary type decrement counting chamber and its reducing type thin layer tiling detection method
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Counting cell
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Magnetic stirring device and manufacturing method thereof
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Full-automatic volume measurement device and production method thereof
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Automatic multichannel selection and alternate sampling analyzing device
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Full-automatic excrement and secretion detector
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High flux quantitative analysis method for visible components in human or animal excretion
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Novel sampler
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