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发明名称
Knock-down reel construction
摘要
申请公布号
US2233449(A)
申请公布日期
1941.03.04
申请号
US19400371139
申请日期
1940.12.21
申请人
THE WASHBURN COMPANY
发明人
GLENNY CLARENCE S.
分类号
B65H75/20;B65H75/22
主分类号
B65H75/20
代理机构
代理人
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地址
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