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CN108371715A
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A kind of targeting protective agents of virus
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CN104695611A
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Energy-saving building inner wall thermal insulation building block
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CN104695572A
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Energy-saving building fire protection wall
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CN104696162A
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Wind power generation structure on air flue
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CN104695635A
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Photoelectric tile roof structure
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CN104695841A
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Concealed sunshade roller shutter structure
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CN104687842A
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Bed cabinet type sofa
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CN104695612A
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External wall insulating block of energy-saving building
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CN104695849A
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Multifunctional crawling ladder
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CN104695636A
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Photovoltaic module node for sloping roof
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CN104687834A
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Bookcase type chair
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CN104703325A
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Multifunctional energy-saving switch
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