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发明名称
摘要
申请公布号
FR2113385(A5)
申请公布日期
1972.06.23
申请号
FR19710038932
申请日期
1971.10.29
申请人
SNAM PROGETTI
发明人
分类号
D01F8/14;(IPC1-7):D01F7/00;D01D5/00
主分类号
D01F8/14
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