IS specification for ship's side scuttles part XIX details of frame heavy type opening welded IS 5474 - 1973
ISI
IS specification for ship's side scuttles part XIX details of frame heavy type opening welded IS 5474 - 1973 - 1973
ISI
IS specification for ship's side scuttles part XIX details of frame heavy type opening welded IS 5474 - 1973 - 1973
ISI