PAINT FILM FOR TIME DISCOLORATION
PURPOSE:To facilitate the identification of shapes, thicknesses, densities application irregularity and the like by fixing the discolored coloring matter having a lactone ring or a lactam ring and a solid acidic material, forming a colored paint film, and laminating a paint film comprising a polar o...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
06.04.1992
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Subjects | |
Online Access | Get full text |
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