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发明名称
Reeling device
摘要
申请公布号
US1839321(A)
申请公布日期
1932.01.05
申请号
US19300462902
申请日期
1930.06.21
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
KENT ROBERT J.
分类号
B65H49/30;B65H75/40
主分类号
B65H49/30
代理机构
代理人
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