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发明名称
MACHINE AND METHOD FOR ETCHING CURVED PLATES
摘要
申请公布号
CA888141(A)
申请公布日期
1971.12.14
申请号
CAD888141
申请日期
申请人
THE DOW CHEMICAL COMPANY
发明人
MARVIN H. FISHABER;JOHANNES F. LAIMBOCK
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