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novel gypsum crushing and recycling device
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Reinforcing bar device of flare-outing for building machinery
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gravel crushing device for novel construction machinery
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Novel drilling machine for construction machinery
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Portable angle bending machine for building site
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Novel electric nailing gun for construction machinery
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Compaction machinery wheel for road construction
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Novel steel bar cutting machine for construction machinery
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Novel electric hand drill for construction machinery convenient to operation
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A kind of safe tree rail
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Domestic hygiene disinfection sanitizer and preparation method thereof
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