| 发明名称 |
Mechanical locking of building panels |
| 摘要 |
Building panels (1, 1') are shown, which are provided with a mechanical locking system having tongue (30) of magnetic material that could be locked vertically by a magnetic field.
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| 申请公布号 |
US8448402(B2) |
申请公布日期 |
2013.05.28 |
| 申请号 |
US201113329019 |
申请日期 |
2011.12.16 |
| 申请人 |
PERVAN DARKO;PETERSON JAN;VAELINGE INNOVATION AB |
发明人 |
PERVAN DARKO;PETERSON JAN |
| 分类号 |
E04B2/00 |
主分类号 |
E04B2/00 |
| 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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