EVOLUTION OF THE ARCRONOGRAPH. A NEW INSTRUMENT WHICH INSPECTS WELDS, CLASSIFIES WELDERS, AND GRADES WELDING ELECTRODES

Author: RONAY BELA  

Publisher: American Society of Naval Engineers

ISSN: 0099-7056

Source: Journal of the American Society of Naval Engineers, Vol.46, Iss.3, 1934-08, pp. : 285-298

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next

Abstract