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Laser marking of cereal grain e.g. for fashion jewelry sold in fairs
Laser marking of cereal grain e.g. for fashion jewelry sold in fairs
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机译:谷物激光打标,例如在博览会上出售的时尚首饰
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摘要
The method involves using a laser beam to burn in writing, characters and graphics on one or more surfaces of all types of cereal grain, seeds, or beans. Independent claims are included for pre-painting the grain to improve contrast and post-painting of the burnt-out section to improve contrast.
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