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发明名称
Needle threading device
摘要
申请公布号
GB365458(A)
申请公布日期
1932.01.21
申请号
GB19310014550
申请日期
1931.05.16
申请人
SIEGFRIED SIDLER
发明人
分类号
D05B87/00
主分类号
D05B87/00
代理机构
代理人
主权项
地址
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