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A kind of ceramic tile U.S. seam ceramic tile crevice cleaning device
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Leg support for tile laying and method for preventing knees from being injured
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A kind of clothing wardrobe
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One kind exempting from mobile round table turntable sewage disposal apparatus of bending over
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A kind of processing equipment that decladding separation can be carried out to cedar seed shell
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A kind of agriculture corn processing screening installation cleaned based on dust suction and combine drying
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A kind of double down temperature drying of Chinese wolfberry device based on suction flow heat dissipation and water-cooling
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A kind of assembly fast escaping device for building
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A kind of triangle pillar body socket of the achievable protection pin function of assembling
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US2012215448A1
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Method for detecting formation resistivity outside of metal casing using time-domain electromagnetic pulse in well
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High-power electromagnetic pulse launcher in well
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