RU1812030C
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Method of contact welding
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RU1814957C
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Apparatus for upsetting elongated workpieces
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SU1715513A1
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Collet chuck
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Coupling unit
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Disk spring
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Method of sealing threaded joints
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Threaded connection sealing
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Clamping device for assembling pipe and flange before welding
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Worm gearing
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Gun for resistance butt welding
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Arrangement for enclosure of working zone
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Clamping device for assembly and welding of articles of tank with branch pipes type
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Installation for automatic welding
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Gripping device
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Apparatus for resistance profile welding
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Device for resistance spot welding
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Automatic welding device
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Arrangement for upsetting elongated billets
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Electrode for resistance welding
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Method of arc welding with consumable electrode
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