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发明名称
Reinigen von Gussmetallen
摘要
申请公布号
DE500942(C)
申请公布日期
1930.06.26
申请号
DE1928K112529D
申请日期
1928.12.06
申请人
ARTHUR KIRCHHOF
发明人
分类号
C22B9/10
主分类号
C22B9/10
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代理人
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