Patents for B21C 99 - Subject matter not provided for in other groups of this subclass (2) | |
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09/2014 | |
09/18/2014 | US20140260477 System and method for stainless steel cladding of carbon steel pieces |
10/2009 | |
10/15/2009 | DE10016067B4 Vorrichtung und Verfahren zum Anspitzen von Drahtenden Apparatus and method for sharpening of wire ends |