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发明名称
Filament package
摘要
申请公布号
US3380577(A)
申请公布日期
1968.04.30
申请号
US19670629582
申请日期
1967.04.10
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
WASHBURN ROBERT LATHAM
分类号
B65H75/18
主分类号
B65H75/18
代理机构
代理人
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地址
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