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发明名称
CHROM-FREIE PASSIVIERUNG VON METALLOBERFLÄCHEN
摘要
申请公布号
DE69404288(D1)
申请公布日期
1997.08.21
申请号
DE19946004288
申请日期
1994.02.23
申请人
PPG INDUSTRIES, INC., PITTSBURGH, PA., US
发明人
GRAY, RALPH, C., BUTLER, PA 16001, US;PAWLIK, MICHAEL, J., GLENSHAW, PA 15116, US;PRUCNAL, PAUL, J., PITTSBURGH, PA 15235, US;BALDY, CHRISTOPHER, J., WARRENDALE, PA 15086, US
分类号
C23C22/07;C23C22/34;C23C22/36;C23C22/80;C23C22/83;(IPC1-7):C23C22/34
主分类号
C23C22/07
代理机构
代理人
主权项
地址
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