| 发明名称 |
SELF-TAPPING PLASTIC PART FOR DOCUMENT HOLDERS AND THE LIKE |
| 摘要 |
<p>A channel-shaped holder for sheet-form materials is provided wherein self-tapping plastic supporting posts threaded into selected holes of the channel wall sections are adapted to support sheet-form materials having different perforation spacings.</p> |
| 申请公布号 |
CA1099174(A) |
申请公布日期 |
1981.04.14 |
| 申请号 |
CA19770282657 |
申请日期 |
1977.07.13 |
| 申请人 |
WRIGHT LINE INC. |
发明人 |
WRIGHT, DAVID M.;HEDSTROM, NORMAN A.;O'TOOLE, JEROME M. |
| 分类号 |
B42F13/12;B42F15/00;(IPC1-7):42F15/04 |
主分类号 |
B42F13/12 |
| 代理机构 |
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代理人 |
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