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DK7871C
(en)
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Machine for Welding and Forging of Metal Rings.
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DK9909C
(en)
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Procedure for Increasing the Toughness and Stretchability of Iron and Steel.
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ES34351A1
(en)
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A machine for welding or forging metal rings.
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FR344357A
(en)
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Method of manufacturing hemispherical sheet metal parts, drain ladles, etc.
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CH42209A
(en)
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Crucible melting furnace for melting welding iron, fluoro iron and steel
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FR343484A
(en)
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Machine for welding or forging metal rings
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DK11327C
(en)
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Procedure for the manufacture of steel alloys.
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DK7486C
(en)
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Welding and annealing furnace.
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FR358833A
(en)
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Torch for autogenous metal welding
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FR386987A
(en)
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Metal welding process
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DK6357C
(en)
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Stanze for Carving of Sheet Metal.
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DK7756C
(en)
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Metal gasket for sleeves.
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AT46589B
(en)
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Method of welding cast iron.
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DK11707C
(en)
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Method and Machine for Double Sided Metal Cutting.
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DK9305C
(en)
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METHOD OF MANUFACTURE OF METALS, METALLOIDS OR THEIR ALLOYS.
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CA99293A
(en)
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Machine for forging metal rings
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DK7011C
(en)
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Alloy.
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FR366060A
(en)
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Metal alloy for bearings
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DK6853C
(en)
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Handles for containers of metal and the like.
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FR389424A
(en)
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Metal alloy
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CH38246A
(en)
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Wind furnace for melting metals
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DK7893C
(en)
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Procedure for Purification of Tantalum Metal.
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AT23117B
(en)
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Metal roofing.
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CH39717A
(en)
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Metal rivet
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FR398090A
(en)
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Metal welding improvements
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