
| Title: | Method for determining the positions of a plurality of anonymous fixed reference objects for mobile surface transportation and a device for determining said positions |
|---|---|
| Holder: | Åström, Kalle |
| Patent No.: | US6012003, AU2656097, EP0900416, JP2000508766, WO9739394 |
| Year: | 2000 |
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Last updated: 2012-01-17