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发明名称
Verfahren zur Herstellung dauerhafter kontrastierender,farbiger Muster auf Metall
摘要
申请公布号
DE1927297(A1)
申请公布日期
1969.12.04
申请号
DE19691927297
申请日期
1969.05.29
申请人
ALLEGHENY LUDLUM STEEL CORP.
发明人
WILLIAM BRIGGS,ROBERT;REGIS HARKINS,THOMAS
分类号
B44C1/22;C23C8/80;C23C22/00
主分类号
B44C1/22
代理机构
代理人
主权项
地址
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