00614nam a22001937a 4500 56686 56686 BD-DhIDS 20250921115633.0 250921b ||||| |||| 00| 0 eng d BD-DhIDS eng BD-DhIDS BD-DhIDS PAK exp 1940 1 Department of Explosives, Gov. of Pakistan GAS Cylinder Rules:1940 Karachi: Department of Explosives, Gov. of Pakistan; 1940. 14 p.: ill. ; 22 cm. Includes bibliographical references and index. Industrial gas technology Pakistan BIDSN DC 0 0 BIDSN 0 0 NFIC BIDSLDC BIDSLDC DOC 2025-09-21 PAK EXP 1 012141 2025-09-21 C-01 2025-09-21 DC