Welding standards
WELDING STANDARDS, A review: The welding standards have been in use for a long time. It mainly developed in 1898, when A group of scientists and engineers, led by Charles Dudley, formed…
standards
WELDING STANDARDS, A review: The welding standards have been in use for a long time. It mainly developed in 1898, when A group of scientists and engineers, led by Charles Dudley, formed…