Tit envansyon: Yon pake ak pwosesis ki sele epi ki pa gen imidite ki pèmèt echanj gaz entèn yo gratis
Envantè: Shi Lei Chen Xiongquan;
Patant No:ZL 2021 1 1574998.2
Dat aplikasyon patant: 22 desanm 2021
Patant: Hangzhou Sunstone Teknoloji co, Ltd.
Adrès: 2nd Floor, Building 1, No 460, Fucheng Road, Qiantang New District, Hangzhou, Zhejiang, 310018