| 发明名称 |
IMPROVEMENTS IN AND RELATING TO FRANGIBLE POSTS |
| 摘要 |
A method of producing a frangible post characterised by the step of forming a region of weakness by compressing a portion of at least one surface and/or edge of the post. |
| 申请公布号 |
CA2694671(A1) |
申请公布日期 |
2009.02.05 |
| 申请号 |
CA20082694671 |
申请日期 |
2008.07.28 |
| 申请人 |
ARMORFLEX LIMITED |
发明人 |
JAMES, DALLAS REX |
| 分类号 |
E01F15/02;B26D3/14;B26F1/12 |
主分类号 |
E01F15/02 |
| 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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