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1.发明授权Method and apparatus for forming coatings of vitreous material on a heated metal billet 失效在加热的金属坯料上形成玻璃质材料的涂层的方法和装置
公开(公告)号：US3044893A
公开(公告)日：1962-07-17
申请号：US1658060
申请日：1960-03-21
Applicant: CEFILAC
Inventor： RENE HEINTZ , JEAN-MARC JOUR
IPC: B21C23/32
CPC classification number: B21C23/32
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