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发明名称
Improvements in or relating to needle threaders
摘要
申请公布号
GB709781(A)
申请公布日期
1954.06.02
申请号
GB19520009597
申请日期
1952.04.16
申请人
EDMUND VON ULLISPERGER SENR.;EDMUND VON ULLISPERGER JUNR.
发明人
分类号
D05B87/00
主分类号
D05B87/00
代理机构
代理人
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