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发明名称
Способ травления черных металлов
摘要
申请公布号
SU43784(A1)
申请公布日期
1935.07.31
申请号
SU19350161672
申请日期
1935.01.26
申请人
KIRILLOV P.I.
发明人
KIRILLOV P.I.
分类号
C23G1/04
主分类号
C23G1/04
代理机构
代理人
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