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发明名称
摘要
申请公布号
SU463749(A1)
申请公布日期
1975.03.15
申请号
SU19731932777
申请日期
1973.05.24
申请人
发明人
分类号
(IPC1-7):C23B5/64;C04B41/14
主分类号
(IPC1-7):C23B5/64
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