发明名称 |
Spanner, has one end with different colour, metal, surface or shape to opposite end to allow user to visiually distinguish between small and large keyways |
摘要 |
The spanner has one end which is visually different from the other due to a different colour, type of metal, surface or shape, enabling the user to clearly distinguish which is the smaller or larger keyway, e.g. between 11 and 12 mm keyways.
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申请公布号 |
NL1010433(C1) |
申请公布日期 |
2000.05.03 |
申请号 |
NL19981010433 |
申请日期 |
1998.10.30 |
申请人 |
ARNOLD COHEN |
发明人 |
ARNOLD COHEN |
分类号 |
B25B13/08;B25B13/56;G09F3/00;(IPC1-7):B25B13/02 |
主分类号 |
B25B13/08 |
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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