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method for creating a pattern in a natural material of human or animal origin, natural material of human or animal origin, and use of a natural material.
method for creating a pattern in a natural material of human or animal origin, natural material of human or animal origin, and use of a natural material.
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机译:在人或动物来源的天然材料,人或动物来源的天然材料中形成图案的方法以及使用天然材料。
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摘要
The present invention relates to a method for creating a pattern in a natural material of human or animal origin, wherein a liquid treatment composition comprising at least one acid is deposited on a natural material comprising calcium carbonate.
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