Four-hole flue convenient to maintain

• Main Authors: SHI GUANGHUI, SUN CHUNMAO, LUAN SHENJIE, LIANG YIBAO, SUN ZHICONG
• Format: Patent
• Language: Chinese; English
• Published: 18.07.2023
• Subjects: BUILDING; FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS; FIXED CONSTRUCTIONS

The utility model relates to the technical field of flues, and discloses a four-hole flue convenient to maintain, which comprises a main flue, four auxiliary flues are sequentially, uniformly and movably connected to the left side surface of the main flue from top to bottom in a penetrating manner,...