Hydrogel composition for a mask base and method for manufacturing a hydrogel using same
Hydrogel composition for a mask base and method for manufacturing a hydrogel using same
- CN 103,857,744 A
- Filed: 09/12/2012
- Published: 06/11/2014
- Est. Priority Date: 10/04/2011
- Status: Active Grant
- EN CH
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- Pin
