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METHOD FOR IMPRESSING MICROSTRUCTURES INTO METALS OR OTHER HARD MATERIALS, CORRESPONDING IMPRESSION TOOL AND COIN
METHOD FOR IMPRESSING MICROSTRUCTURES INTO METALS OR OTHER HARD MATERIALS, CORRESPONDING IMPRESSION TOOL AND COIN
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机译:将微观结构压印到金属或其他硬质材料,压印工具和硬币中的方法
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摘要
The invention relates to a method for impressing microstructures, especially holograms, into coins or similar. The invention also relates to an impression tool, a corresponding master die, and the coin produced.
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