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GB827757A
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Improvements in and relating to alternating current arc welding apparatus
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GB459247A
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Processes and devices for electric arc welding
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Arc welding electrodes
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Welding electrode
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Electric arc welding process for welding aluminium or aluminium alloys
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Improvements in and relating to arc welding and cutting processes
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US2008846A
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Process of arc welding and cutting
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GB280558A
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Improvements in or relating to arc welding
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A method for electric arc welding
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GB277005A
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Improvements in or relating to electric arc welding
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|
US1615562A
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Spout for delivering gas under pressure
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GB241457A
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Improved means for guarding against stoppage by freezing or distortion of the outlets for gas under pressure
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