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发明名称
Verfahren und Mittel zur Herstellung eines schwarzen, korrosionsbeständigen Überzuges auf einer metallischen Oberfläche, insbesondere Eisen und Stahl
摘要
申请公布号
AT195206(B)
申请公布日期
1958.01.25
申请号
ATD195206
申请日期
1954.03.20
申请人
METALLGESELLSCHAFT AKTIENGESELLSCHAFT
发明人
PETER BORGHETTI;WALTER R. CAVANAGH
分类号
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