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Diamond type is a method of scientifically classifying diamonds by the level and type of their chemical impurities. Diamonds are separated into four types: Type Ia, Type Ib, Type IIa, and Type IIb. The impurities measured are at the atomic level within the crystal lattice of carbon atoms and so, unlike inclusions, require an infrared spectrometer to detect.
Dot & Cross (Diamond W-4026)
1. The name of the design product: point point glue (diamond type W-4026). 2. The use of the design product: is a stationery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.
Owner:广东五千年文具实业有限公司