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发明名称
Thread tension equalizing device
摘要
申请公布号
US2082443(A)
申请公布日期
1937.06.01
申请号
US19360092274
申请日期
1936.07.24
申请人
GEORGE GREENSPAN
发明人
DESJARDINS ALFRED J.
分类号
B65H59/32
主分类号
B65H59/32
代理机构
代理人
主权项
地址
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