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技术数据表
GROOVED RIGID COUPLING FOR FIRE FIGHTING SYSTEM DUCTILE IRON CONSTRUCTION, LEAD FREE ORANGE PAINT, CONFORMS TO ASTM A536, UL LISTED, FM APPROVED
GROOVED RIGID COUPLING FOR FIRE FIGHTING SYSTEM DUCTILE IRON CONSTRUCTION, LEAD FREE ORANGE PAINT, CONFORMS TO ASTM A536, UL LISTED, FM APPROVED