BLACKENED STEEL SHEET BY COATING, BLACK-TREATED STEEL SHEET AND METHOD FOR MANUFACTURING THEM

PROBLEM TO BE SOLVED: To provide a blackened steel sheet by coating, which does not show a dark brown color on the surface at all after having been coated, has a value L of 15 or less specified in a Lab colorimetric system, and has a uniform black appearance; a black-treated steel sheet; and a metho...

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Bibliographische Detailangaben
1. Verfasser: YONEDA TOMOSHI
Format: Patent
Sprache:eng
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