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发明名称
摘要
申请公布号
CS175467(B2)
申请公布日期
1977.05.31
申请号
CS19730007822
申请日期
1973.11.14
申请人
发明人
分类号
D04B15/88;(IPC1-7):D04B15/88
主分类号
D04B15/88
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