| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of repairing a sandstone for telling a history over future by preventing its crash. SOLUTION: In order to prevent the crash of the sandstone, the sandstone front surface of a crack or crack part is coated with resin, mixed churning of fine powder and resin of the sandstone is performed, and is made in the shape or a putty. In order to stick the same color as the sandstone to the putty, it is colored in toner colors, and the crack part of the exfoliation part is filled up. COPYRIGHT: (C)2007,JPO&INPIT
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