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CN108943194A
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Furniture processing of cutting machine
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CN108943171A
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Telescopic adjustment formula rotary head device
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Angle adjuster
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It is magnetic-type to be adjustable into aperture apparatus
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Modified angle adjusts locking system
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CN108942268A
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The lockable mechanism of adjustable-angle
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CN108943172A
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Coordinated type perforating mechanism
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Plate cutting punch device
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A kind of electronic music stand of piano
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CN108887983A
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A kind of piano stool having protective effect
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CN108831421A
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A kind of piano automatic music leaf turning music score of Chinese operas frame
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CN105719621A
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Cast iron plate structure of piano
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CN105719620A
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Piano damper head structure
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CN105719622A
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Arc-shaped bridge structure of piano
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CN103996393A
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Piano soundboard
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CN103978521A
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Milling machine for rib and saddle
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CN103991468A
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Piano assembling device with conveying function and loading and transporting method thereof
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