发明名称 Flexible copy section
摘要 A laminated flexible copy section comprising a rectangular film-sheet composite maintainable on a metal signboard by flexible magnet strips secured along edges of the sheet. Tabs secured to the upper edge of the section permit the copy section to be readily peeled from the signboard.
申请公布号 US3987567(A) 申请公布日期 1976.10.26
申请号 US19730357813 申请日期 1973.05.07
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 FRITTS, ROBERT W.
分类号 G09F7/04;(IPC1-7):G09F7/04 主分类号 G09F7/04
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