11-15, 9 fig. a Description of the Al G Ar welding torches ; they have a long bent tip , in red copper replacing the tip used on former torches ; description of the cutting torch, the nozzle of which cannot be disassembled. DA-.DUa a/o BB 1/3-53anbsp;...
Title | : | Bibliographical Bulletin for Welding and Allied Processes |
Author | : | |
Publisher | : | - 1953 |
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