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Dust suction pipe raising ring
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Material bag upper opening fixing bezel
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Arc exposed corner T-joint composite structure
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Novel metal door
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Dust sucking tube
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Arc internal corner T-joint composite structure
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Outer wall connecting board
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Ceiling insulating layer
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Wiper shaft drive linkage head
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Double-layer assembling keel for suspended ceiling
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Brush shaft
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Novel heat-preservation ceiling
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Wallboard
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Bridge frame
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Photo-catalyst sheet for air purification
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Connecting structure for photocatalyst plates
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Photocatalyst ceiling
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Multifunctional ceiling
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Keel for lamp
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Lateral frame reinforcing part
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