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发明名称
摘要
申请公布号
US2514189(A)
申请公布日期
1950.07.04
申请号
US19460710334
申请日期
1946.11.16
申请人
发明人
分类号
D01D5/08;D01F6/10
主分类号
D01D5/08
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