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发明名称
Spool
摘要
申请公布号
US1885693(A)
申请公布日期
1932.11.01
申请号
US19300502517
申请日期
1930.12.15
申请人
SONOCO PRODUCTS COMPANY
发明人
DUNLAP CHARLES K.
分类号
B65H75/14
主分类号
B65H75/14
代理机构
代理人
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