Yuqori haroratga chidamli keramik ko'p trubkali chang yig'uvchi uchun foydali model patent sertifikati
Bu Yixing Haina Environmental Engineering Co., Ltd. tomonidan olingan foydali model patent sertifikati. Ixtiro " Yuqori haroratga chidamli keramik ko'p naychali chang yig'uvchi " deb nomlangan.
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