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Tsev > Xov xwm > Ntsiab lus
Silicone (Roj Hmab) Yam
Apr 09, 2018

Yuav kom muab kev pab ib zaug rau peb cov neeg tau txais kev pabcuam, 101 tsab ntawv cog lus muab kev pabcuam raws li kev cog qoob loo thiab cov roj hmab, xws li cov pawm tseem ceeb, cov tshuaj khawm silicone, cov ntaub thaiv roj hmab, cov roj thiab lwm yam. Tag nrho cov ntaub ntawv raug kho tsis pub leej twg paub, peb yuav kos npe rau cov ntawv cog lus tsis pub tshaj tawm nrog cov tswv lag luam thiab tus neeg siv khoom los tiv thaiv patent ntawm cov khoom.

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