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发明名称
Apparatus and process for tapering artificial filaments
摘要
申请公布号
US2374744(A)
申请公布日期
1945.05.01
申请号
US19420459251
申请日期
1942.09.22
申请人
PITTSBURGH PLATE GLASS COMPANY
发明人
GREGORY JOHN J.
分类号
D01D5/20
主分类号
D01D5/20
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