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...inert gas shield for welding was first considered as early as 1920. However, the first patent for use of tungsten electrode with argon or helium shielding was reportedly issued in U.S.A. in 1930. Presently T...
..., China (Mainland) Color customized Brand Name GB air products Package pvc carrying bag Standard export carton Gas Hydrogen/Helium/common air Supply Ability 500/M Payment and...
... gases, that is to say, when welding, these protective gases do not react with other substances. Inert gas such as argon and helium, argon has been used more widely in Europe. Usually, this process is called...
...inert gas shield for welding was first considered as early as 1920. However, the first patent for use of tungsten electrode with argon or helium shielding was reportedly issued in U.S.A. in 1930. Presently T...
... heat treatment of electronic products and material processing. This industrial-grade furnace supports gas-phase reaction processes in nitrogen, helium, acetylene, and hydrogen atmospheres, as well as sinter...