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Screw type drinking water buried pipe ground source heat pump system
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CN105588366A
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Screw type automatic heating buried pipe ground source heat pump system
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CN105586588A
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Anticorrosion anti-sulfur wear-resistant oil pipe laser cladding coating preparation process
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Coal washing system
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Sewage treatment box
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Novel solar street lamp
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Environmental protection toothbrush
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CN105588368A
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Screw type buried pipe ground source heat pump system
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CN105584888A
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Novel ribbon optical fiber compound-winding device
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CN105588471A
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Cooling tower water recovery device
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CN105511116A
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Encapsulating method for novel simple thermal arrayed waveguide grating wavelength division multiplexer
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CN105586589A
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Anticorrosion anti-sulfur wear-resistant oil pipe screw thread laser cladding coating preparation process
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CN105588367A
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Novel water source heat pump
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CN105588913A
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Experimental method for drying peat by use of hot-blast stove
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CN105568296A
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Metal rust remover
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CN105568712A
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Low-bath-ratio jig dyeing technology for high-density nylon
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CN105565535A
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Sewage treatment device
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CN104676529A
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Dust-proof damp-proof wind-solar complementary street lamp controller
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CN104676965A
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Screw type ground-source heat pump system for drinking water buried pipes
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CN104676969A
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Novel water source heat pump
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