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经营范围
发明名称
Hand knitting aid
摘要
A fingertip ring includes an extending member having a slot and a yarn opening therethrough for automatically tensioning yarn passing through the opening and used during manual knitting, crocheting, or the like.
申请公布号
US4037433(A)
申请公布日期
1977.07.26
申请号
US19750608581
申请日期
1975.08.28
申请人
WEBER, BLANCHE V.
发明人
WEBER, BLANCHE V.
分类号
D04B3/04;(IPC1-7):D04B3/04;B65H59/14
主分类号
D04B3/04
代理机构
代理人
主权项
地址
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