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baoshan iron & steel company | 136 |
Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
seamless steel tube with high strength and toughness and manufacturing method thereof | 23 | 2015 |
steel plate with yield strength of 800mpa grade and low weld cracking sensitivity, and m… 🛈 | 19 | 2007 |
non-oriented electrical steel plate and manufacturing process therefor | 17 | 2012 |
hot rolled silicon steel producing method | 17 | 2012 |
method for producing silicon steel normalizing substrate | 16 | 2012 |
abrasion resistant steel plate with high strength and high toughness, and process for pr… 🛈 | 16 | 2012 |
non-oriented electrical steel sheet with fine magnetic performance, and calcium treatmen… 🛈 | 15 | 2012 |
steel plate with ultra-high strength and abrasion resistance, and manufacturing process … 🛈 | 15 | 2011 |
method for producing electrical steel surface super-thick insulating coating | 15 | 2011 |
manufacture method of high efficiency non-oriented silicon steel having good magnetic pe… 🛈 | 14 | 2010 |