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发明名称
摘要
申请公布号
PL91716(B1)
申请公布日期
1977.03.31
申请号
PL19690174132
申请日期
1969.10.09
申请人
发明人
分类号
C07C69/76;(IPC1-7):C07C63/59
主分类号
C07C69/76
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