00524nam a22001577a 4500 4370 4370 200803b ||||| |||| 00| 0 eng d Rs. 1.00 eng 1651 Government of India Indian railway standard code of practice for electrical arc welding of mild steel structures / Delhi : Ministry of Railways Government of India, 1953. 22 p. INR 1.00 Electric Welding BK 0 0 ddc 0 385_000000000000000_I3911 0 12742 CL CL 1954-03-26 385 I3911 02168 2020-08-03 BK