- All sections
- E - Fixed constructions
- E01D - Bridges
- E01D 21/08 - Methods or apparatus specially adapted for erecting or assembling bridges by rotational movement of the bridge or bridge sections
Patent holdings for IPC class E01D 21/08
Total number of patents in this class: 17
10-year publication summary
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1
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2
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0
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1
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1
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1
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1
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0
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3
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0
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