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CN109047095A
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Natural gas extraction equipment drill bit cleaning equipment
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CN108979593A
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The concealed cleaning mechanism of natural gas extraction digging apparatus
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CN108745975A
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A kind of cleaning device of down toy
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CN108636876A
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Large-size rolling bearing cleaning device
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CN108533878A
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A kind of petroleum pipeline repair apparatus
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CN108405500A
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A kind of novel petroleum pipeline cleaning device
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CN108580456A
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A kind of natural gas line cleaning Quick cleaning device
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CN108468861A
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A kind of natural gas line laying protective device
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CN108443107A
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A kind of efficient extraction natural-gas energy-saving equipment
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CN108167656A
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A kind of gas pipeline leakage detection device
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CN108405494A
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A kind of natural gas line laying is used for the pipe trench dredger in street
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CN108380598A
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A kind of natural gas line cleaning plant
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CN108080365A
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A kind of building material pipeline cleanser with telescopic device
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CN108097633A
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A kind of milk products working equipment of achievable self-loopa cleaning reflux
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CN107701812A
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A kind of natural gas line protection device through walls
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CN107940107A
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A kind of natural gas line, which additionally arranges, uses protective device
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CN107824568A
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A kind of self-rotary natural gas line cleaning equipment
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CN107857411A
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A kind of fresh-water generator of depth-adjustable
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CN107756630A
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A kind of rotary spiral concrete central mix plant
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CN107803495A
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A kind of melting furnace of high abrasion casting
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