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发明名称
Long yardage tape core
摘要
申请公布号
US3025015(A)
申请公布日期
1962.03.13
申请号
US19600023486
申请日期
1960.04.20
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
MIX ROBERT C.
分类号
B65H75/02;B65H75/04
主分类号
B65H75/02
代理机构
代理人
主权项
地址
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