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公开(公告)号：US3723121A
公开(公告)日：1973-03-27
申请号：US3723121D
申请日：1970-11-03
Applicant: DU PONT
Inventor： HAUSER W
CPC classification number: G01D15/14 , B23K2201/007 , Y10S430/146 , Y10S430/163
Abstract: A PROCESS FOR LASER BEAM RECORDING BY IRRADIATING A LAYER OF A THERMOCHROMIC MATERIAL CHOSEN SO THAT UNDER IRRADIATION WITH A LASER OF A PARTICULAR COLOR THE MATERIAL IS CONVERTED BY ABSORPTION OF INCIDENT LASER RADIATION TO A COLOR WHICH TRANSMITS THE INCIDENT LASER BEAM SO THAT NO FURTHER CHANGE TAKES PLACE.
Abstract translation: 包括至少前滑雪板，后滑雪板，转向柱，连接到所述转向柱的把手，用于将所述转向柱连接到所述后滑雪板的框架以及用于将所述框架连接到所述转向柱的弹性悬挂装置 后滑雪
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