发明名称 |
Edge marking device for index cards - includes at least five movable punches to cut set pattern of notches |
摘要 |
<p>Marking device applies filing indicators to the edge of index cards. Several movable punches (3) cut notches into the edge of the index card. The cutting of a notch at the edge is prevented during the hole punching process. The device consists of at least five stamps which are made to cut semi-circular notches or U-shaped notches but other shapes are also possible. The marking device is equipped with stops which permit the insertion of the cards for copying the marking.</p> |
申请公布号 |
DE2730237(A1) |
申请公布日期 |
1979.05.23 |
申请号 |
DE19772730237 |
申请日期 |
1977.07.05 |
申请人 |
BERG,CHRISTOPH,DIPL.-PHYS. |
发明人 |
BERG,CHRISTOPH,DIPL.-PHYS. |
分类号 |
B26F1/04;B42F21/12;G06K21/06;(IPC1-7):42F21/00;26F1/38 |
主分类号 |
B26F1/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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