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Waistband reaming type reamer
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Reamer with roller reaming type belt
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Waistband structure of novel reamer
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Reamer belt structure with reaming function
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Reamer with anti-drag reaming type belt
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Novel reamer
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Waist belt structure for reamer
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Supporting base of pipe detaching machine for drill pipes
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Supporting leg structure for tube disassembly machine
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Supporting seat of pipe unloading machine
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Deformation detection type support seat of drill pipe unloading machine
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Deformation detection-type supporting seat of pipe dismounting machine
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Multipoint soil sampler
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Multi-point electric soil sampler
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Multi-point-concentrated electric soil sampling device
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Spring type sampling rod for soil sampler
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Soil sampling rod structure
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CN104535363A
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Multipoint centralized soil sampler
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CN104568500A
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Base structure of soil sampler
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Superficial layer manual soil sampling sleeve structure for geological exploration
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