This standard specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of cart-type dry powder fire extinguishers. This standard applies to various cart-type dry powder fire extinguishers (referred to as fire extinguishers).
GA 77.3-1994 history
1994GA 77.3-1994 Trolley Type Dry Powder Fire Extinguisher
GA 77.3-1994 Trolley Type Dry Powder Fire Extinguisher was changed to GB 8109-2005 Wheeled fire extinguishers.