MIL-STD-775B (NOTICE 1), MILITARY STANDARD: RADIOGRAPHIC STANDARDS FOR ELECTRODE QUALIFICATION AND QUALITY COMPLIANCE, TEST WELDS (22 OCT 1974) [S/S BY NAVSHIPS PUB. 0900-003-9000]

MIL-STD-775B (NOTICE 1), MILITARY STANDARD: RADIOGRAPHIC STANDARDS FOR ELECTRODE QUALIFICATION AND QUALITY COMPLIANCE, TEST WELDS (22 OCT 1974) [S/S BY NAVSHIPS PUB. 0900-003-9000].