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Chain welding machine
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Patent number 4,211,068
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Issue date Jul 8, 1980
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Wafios, Maschinenfabrik, Wagner, Ficker & Schmid (GmbH & Co. KG)
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Gerhard Lange
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Chain welding machine
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Patent number 4,139,982
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Issue date Feb 20, 1979
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Wafios Maschinenfabrik, Wagner, Ficker & Schmid (GmbH & Co., KG)
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Gerhard Lange
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...