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Statistical method and system for reading amount of paper newspapers and periodicals
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A kind of building building cement is stirred system and method
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A kind of building sandstone automatic fitration screening system
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A kind of outdoor LED display screen radiator
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A kind of solar water container semi-finished product air-tightness detection device with obvious effects
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It adaptively adjusts the synchronous rectifying controller of driving voltage and uses its circuit
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A kind of solar environment friendly house easy to use
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A kind of device of solar generating easy to use
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A kind of solar water heater transport vehicle of lifting easy to disassemble
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A kind of solar LED display screen convenient for adjusting
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A kind of LED productions conductive silver glue agitating device
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A kind of LED display Quick cleaning device
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A kind of LED lamp productive power road plate installs auxiliary mould
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A kind of LED lamp circuit plate intelligence perforating device
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A kind of digital frequency meter
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A kind of industrial temperature measurer
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A kind of type vibration wire survey meter of blood pressure
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A kind of photo-electric heart rate measuring instrument
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A kind of electric hot tray temperature controller
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A kind of strain-type electronic dynamometer
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