Desulfurizatsiya purkagich minorasi uchun og'ir yuk ko'taruvchi korroziyaga qarshi tuzilma uchun foydali model patent sertifikati
Bu Yixing Haina Environmental Engineering Co., Ltd. tomonidan olingan foydali model patent sertifikati. Ixtiro " deb nomlangan. Desulfurizatsiya purkagich minorasi uchun og'ir korroziyaga qarshi tuzilma d".
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