IS: 5490 (Part II) - 1977; Specification for Refills for Portable fire Extinguishers and Chemical Fire Engines Part 2 for Foam Type Portable Fire Extinguisher

IS: 5490 (Part II) - 1977; Specification for Refills for Portable fire Extinguishers and Chemical Fire Engines Part 2 for Foam Type Portable Fire Extinguisher - New Delhi BIS 1978 - 7p

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