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发明名称
Reel
摘要
申请公布号
US2567857(A)
申请公布日期
1951.09.11
申请号
US19470745992
申请日期
1947.05.05
申请人
PROCTOR JOHN H
发明人
PROCTOR JOHN H.
分类号
B65H75/14
主分类号
B65H75/14
代理机构
代理人
主权项
地址
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