| 发明名称 |
DEVICE FOR DETECTING EXTENDED OR CONTRACTED STATE OF THREEESTAGE EXTEN SIBLE BOOM |
| 摘要 |
<p>PURPOSE:To provide a device for detecting extended or contracted state of three-stage extensible boom which is adapted to inform extended state of the boom unpreferable for the strength thereof to an operator so as to eliminate loading work in unpreferable extended state of the boom.</p> |
| 申请公布号 |
JPS51124252(A) |
申请公布日期 |
1976.10.29 |
| 申请号 |
JP19750049463 |
申请日期 |
1975.04.22 |
| 申请人 |
TADANO TEKKOSHO KK |
发明人 |
TOKUDA MINORU;MATSUI AKIRA |
| 分类号 |
G01B5/04;B66C15/00;B66C23/687;B66C23/88;G01B7/04 |
主分类号 |
G01B5/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
