| 发明名称 |
PERFEZIONAMENTI IN O RELATIVI A CHIAVI PER MANDRINI PER PUNTE DA TRAPANO |
| 摘要 |
TITLE: "AN IMPROVEMENT IN OR RELATING TO KEYS FOR DRILL CHUCKS" A drill chuck key with ejector means for disengaging at least its geared head part or at least its pilot portion from the chuck when released by the user. |
| 申请公布号 |
IT1085477(B) |
申请公布日期 |
1985.05.28 |
| 申请号 |
IT19770024105 |
申请日期 |
1977.05.27 |
| 申请人 |
THE JACOBS MANUFACTURING CO LTD |
发明人 |
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| 分类号 |
B23B31/06;B25B33/00;(IPC1-7):B23B/ |
主分类号 |
B23B31/06 |
| 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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