MANUFACTURING APPARATUS FOR ELECTRIC RESISTANCE WELDED TUBE

PROBLEM TO BE SOLVED: To provide an apparatus capable of manufacturing an electric resistance welded tube from a wide thick steel plate as the base material, at a low cost by merely applying a simple device to an existing facility. SOLUTION: In the manufacturing apparatus for the electric resistance...

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Bibliographische Detailangaben
1. Verfasser: EGI MOTOAKI
Format: Patent
Sprache:eng
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