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Home › Method and device for welding metallic fibers into a fleece by repeatedly carrying out a welding process, fleece having welded metallic fibers and method of filtering exhaust gas with a fleece

Method and device for welding metallic fibers into a fleece by repeatedly carrying out a welding process, fleece having welded metallic fibers and method of filtering exhaust gas with a fleece

US Patent 7833319 · Granted Nov 16, 2010

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