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发明名称
Spool holder
摘要
申请公布号
US2616633(A)
申请公布日期
1952.11.04
申请号
US19490108166
申请日期
1949.08.02
申请人
BEAUNIT MILLS, INC.
发明人
REYNOLDS JAMES L.
分类号
B65H54/54
主分类号
B65H54/54
代理机构
代理人
主权项
地址
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