Thin-edge cup and production process
The invention relates to a thin-edge cup and a production process, a body comprises a cup, the cup is sequentially provided with a first outer layer, a cotton cup structure and a first inner layer from the outer surface to the inner surface, and the first outer layer and the first inner layer extend...
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Main Authors | , , , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
08.12.2023
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Subjects | |
Online Access | Get full text |
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