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发明名称
摘要
申请公布号
SU560012(A1)
申请公布日期
1977.05.30
申请号
SU19752139430
申请日期
1975.06.02
申请人
发明人
分类号
C25D11/02;(IPC1-7):C25D11/02
主分类号
C25D11/02
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