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shougang general corporation | 42 |
Title of patent family (most common patent title) |
Family members |
Filing year |
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control method of tilting in finish rolling of pipe line steel | 2 | 2012 |
ultra-low-carbon, low-silicon and low-oxygen steel and smelting method thereof | 2 | 2012 |
outside-furnace refining production method of steel used in carbon steel welding wire | 2 | 2012 |
production method for improving strip steel through coil mechanical property uniformity | 2 | 2012 |
aluminum killed steel hot dip galvanized sheet and production method thereof | 2 | 2011 |
rolling method capable of preventing pockmarks on surface of ship plate | 2 | 2012 |
optimization method for combustion system of slab heat accumulating type heating furnace | 2 | 2012 |
nozzle granularity laser test apparatus | 2 | 2012 |
cold-state detection method for impact force of two cold nozzles of continuous casting m… 🛈 | 2 | 2012 |
control method for plasticization of tire cord steel inclusion | 2 | 2012 |