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发明名称
Knotting board
摘要
申请公布号
US2395981(A)
申请公布日期
1946.03.05
申请号
US19430500241
申请日期
1943.08.27
申请人
WALKER CLINTON L
发明人
WALKER CLINTON L.
分类号
D03D29/00
主分类号
D03D29/00
代理机构
代理人
主权项
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