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FR2728819A1
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Improved welding torch
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FR2727642A1
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Compact welding torch mounting device for internal pipe butt welding appts.
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FR2727643A1
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Internal pipe butt welding appts.
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FR2718068A1
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Machine for machining the end of a tubular element, in particular a double-walled tubular element.
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FR2705913A1
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Contact tip for arc welding torch.
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FR2656555A1
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Mechanical system for automatic guidance of one or more torches of an arc welding unit.
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FR2625559A1
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Method for non-destructive testing of welding carried out by pressure welding of two metal parts
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