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Home › Electrodes for use in the extrusion-fusion welding of lead parts through an aperture in a battery case and method of extruding, fusing and forging lead connections in battery cases

Electrodes for use in the extrusion-fusion welding of lead parts through an aperture in a battery case and method of extruding, fusing and forging lead connections in battery cases

US Patent 4420673 · Granted Dec 13, 1983

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