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发明名称
Skein support for swifts
摘要
申请公布号
US2267071(A)
申请公布日期
1941.12.23
申请号
US19410374625
申请日期
1941.01.16
申请人
BECKER MORRIS W
发明人
BECKER MORRIS W.
分类号
B65H49/30
主分类号
B65H49/30
代理机构
代理人
主权项
地址
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