Qiantai
He Qiantai, Liuzhou City CN
Patent application number | Description | Published |
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20150059404 | COLORFUL AND BRIGHT DIAMOND - The present invention involves the field of jewellery products, and especially, relates to a colourful and bright diamond which comprises an even number of main crown facets and an even number of main pavilion facets. The colourful and bright diamond has a total reflection gross efficiency of two 90% and the optical performance which is 12 times more than the existing ordinary diamonds. | 03-05-2015 |
He Qiantai US
Patent application number | Description | Published |
---|---|---|
20150059405 | COLORFUL AND BRIGHT DIAMOND - The present invention involves the field of jewellery products, and especially, relates to a colourful and bright diamond which comprises an even number of main crown facets and an even number of main pavilion facets. The colourful and bright diamond has a total reflection gross efficiency of two 90% and the optical performance which is 12 times more than the existing ordinary diamonds. | 03-05-2015 |
He Qiantai, Liuzhou CN
Patent application number | Description | Published |
---|---|---|
20150059404 | COLORFUL AND BRIGHT DIAMOND - The present invention involves the field of jewellery products, and especially, relates to a colourful and bright diamond which comprises an even number of main crown facets and an even number of main pavilion facets. The colourful and bright diamond has a total reflection gross efficiency of two 90% and the optical performance which is 12 times more than the existing ordinary diamonds. | 03-05-2015 |
20150059405 | COLORFUL AND BRIGHT DIAMOND - The present invention involves the field of jewellery products, and especially, relates to a colourful and bright diamond which comprises an even number of main crown facets and an even number of main pavilion facets. The colourful and bright diamond has a total reflection gross efficiency of two 90% and the optical performance which is 12 times more than the existing ordinary diamonds. | 03-05-2015 |