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发明名称
Process for the production of negative relief copies utilizing reversal processing
摘要
申请公布号
US4990429(A)
申请公布日期
1991.02.05
申请号
US19890423251
申请日期
1989.10.18
申请人
HOECHST AKTIENGESELLSCHAFT
发明人
STAHLHOFEN, PAUL;FRASS, HANS W.
分类号
G03C1/00;G03C1/72;G03F7/004;G03F7/022
主分类号
G03C1/00
代理机构
代理人
主权项
地址
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